Grade Calculator

Use this calculator to find out the grade of a course based on weighted averages. This calculator accepts both numerical as well as letter grades. It also can calculate the grade needed for the remaining assignments in order to get a desired grade for an ongoing course.


(optional)
Final Grade Goal
Weight of Remaining Tasks

homework 75

Grade Format: Points, percentage, mix Letters
Weight Format: Percentage Points
Show Final Grade Planning Options
 

Final Grade Calculator

Use this calculator to find out the grade needed on the final exam in order to get a desired grade in a course. It accepts letter grades, percentage grades, and other numerical inputs.

Related GPA Calculator

The calculators above use the following letter grades and their typical corresponding numerical equivalents based on grade points.

Letter GradeGPAPercentage
A+4.397-100%
A493-96%
A-3.790-92%
B+3.387-89%
B383-86%
B-2.780-82%
C+2.377-79%
C273-76%
C-1.770-72%
D+1.367-69%
D163-66%
D-0.760-62%
F00-59%

Brief history of different grading systems

In 1785, students at Yale were ranked based on "optimi" being the highest rank, followed by second optimi, inferiore (lower), and pejores (worse). At William and Mary, students were ranked as either No. 1, or No. 2, where No. 1 represented students that were first in their class, while No. 2 represented those who were "orderly, correct and attentive." Meanwhile at Harvard, students were graded based on a numerical system from 1-200 (except for math and philosophy where 1-100 was used). Later, shortly after 1883, Harvard used a system of "Classes" where students were either Class I, II, III, IV, or V, with V representing a failing grade. All of these examples show the subjective, arbitrary, and inconsistent nature with which different institutions graded their students, demonstrating the need for a more standardized, albeit equally arbitrary grading system.

In 1887, Mount Holyoke College became the first college to use letter grades similar to those commonly used today. The college used a grading scale with the letters A, B, C, D, and E, where E represented a failing grade. This grading system however, was far stricter than those commonly used today, with a failing grade being defined as anything below 75%. The college later re-defined their grading system, adding the letter F for a failing grade (still below 75%). This system of using a letter grading scale became increasingly popular within colleges and high schools, eventually leading to the letter grading systems typically used today. However, there is still significant variation regarding what may constitute an A, or whether a system uses plusses or minuses (i.e. A+ or B-), among other differences.

An alternative to the letter grading system

Letter grades provide an easy means to generalize a student's performance. They can be more effective than qualitative evaluations in situations where "right" or "wrong" answers can be easily quantified, such as an algebra exam, but alone may not provide a student with enough feedback in regards to an assessment like a written paper (which is much more subjective).

Although a written analysis of each individual student's work may be a more effective form of feedback, there exists the argument that students and parents are unlikely to read the feedback, and that teachers do not have the time to write such an analysis. There is precedence for this type of evaluation system however, in Saint Ann's School in New York City, an arts-oriented private school that does not have a letter grading system. Instead, teachers write anecdotal reports for each student. This method of evaluation focuses on promoting learning and improvement, rather than the pursuit of a certain letter grade in a course. For better or for worse however, these types of programs constitute a minority in the United States, and though the experience may be better for the student, most institutions still use a fairly standard letter grading system that students will have to adjust to. The time investment that this type of evaluation method requires of teachers/professors is likely not viable on university campuses with hundreds of students per course. As such, although there are other high schools such as Sanborn High School that approach grading in a more qualitative way, it remains to be seen whether such grading methods can be scalable. Until then, more generalized forms of grading like the letter grading system are unlikely to be entirely replaced. However, many educators already try to create an environment that limits the role that grades play in motivating students. One could argue that a combination of these two systems would likely be the most realistic, and effective way to provide a more standardized evaluation of students, while promoting learning.

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How to Calculate Grades Based on Percentages (With Calculator!)

Determine grading policy, grade calculator, calculate category averages, converted weighted grade percentages, calculate averages, determine total grade, how to handle a weighted grading system, how to handle point systems to determine your total score, how to determine how much you need to score on your final exam to maintain your grade.

Many high school teachers and college professors weigh homework, quizzes and test grades differently depending on the difficulty and significance of the assignment. Big tests (like a midterm exam or final exam) and quizzes generally account for most of the total grade, because they encompass more of the subject material.

The letter grades you receive in the gradebook after all of your individual assignments, tests, and quizzes have been graded make up your grade point average (gpa). Typically, students want to keep their gpa as high as possible. Whether you are on the verge of failing a class, or you have pretty good grades and just want to know how your grades add up, you can calculate your grades with a few simple formulas.

1. establish your professor's grading policy for how each category is weighted.

  • The professor may announce this early on in the class for clarity. If they do not, you can also check with the ​ course syllabus ​ or refer to the school policy.
  • Asking directly may be best because of professor preferences in their weighted grading system that may not be updated in online materials.

For example

The professor may weigh 35 percent of the final grade to quizzes, 20 percent to homework and 45 percent to tests.

Below we provide a grade calculator as an alternative to performing the grade calculations explained in the article.

2. Calculate the average of each category by adding up all of your scores for each category and divide by the number of assignments in that category.

If you have five tests with the scores of 90, 85, 100, 75 and 91, the accumulated point total for all your test would be 441. Divide the total by five for your test average of 88.2 percent.

3. Convert the weighted grade percentages to decimal value by dividing the percentage by 100.

If tests are weighted 45 percent of the total grade, the decimal would be 0.45 (45 / 100 = 0.45).

Repeat this step for each weighted section (homework, quizzes, tests, etc.).

4. Multiply the average for each category by the weight, in decimal, of each category to calculate the total points out of 100.

If your test average is 88.2 percent and is weighted 45 percent, the points for your overall grade out of 100 would be 39.69 (which is 88.2 x 0.45). Repeat this step for your other subject categories.

While most professors will maintain the final grade given, speaking with the professor can result in updating the grade through additional projects or corrections.

Additionally, if a student is not happy with the course grade, some colleges have policies allowing classes to be repeated and then averaged, which can also raise a course grade as well as your overall gpa.

5. Add the results for each category from Step 4 to find out your total grade out of 100 points.

If you calculated a 39.69 for test, 34 for quizzes and 18.5 for homework, your total grade would be 92.19 percent.

General 5 Letter Grade Score Table

A

90 - 100

B

80 - 90

C

70 - 80

D

60 - 70

F

Below 60

At many colleges using a four-point scale, an A requiring a total grade of 90 with a B letter grade falling in the 80 percent range.

A C grade ranges between 70 and 80 percent with a D ranging from 60 to 70 percent. Anything below a 60 percent would be considered a failing grade, or F.

These grade ranges do vary by school and professor, and they are general estimates with some colleges starting an A at 92 percent, a B at 83 percent and so on.

Detailed Numeric to Letter Grade Table

93-100

A

90-92

A-

87-89

B+

83-86

B

80-82

B-

77-79

C+

73-76

C

70-72

C-

67-69

D+

60-66

D

0-59

F

A weighted score is the key to understanding where your professor wants you to focus. Look especially for attendance or term papers. If your syllabus mentions extra credit, do the extra credit work because it gives you a buffer going into your final exam.

The key is to start from the max total score and follow the breakdown from tests and quizzes to homework and attendance.

As an example, a language course has a quiz every class that is worth 20 points. If you have 30 quizzes or two per week, the total quiz points is 600. If the total number of points is 1,000 and 600 or 60% (600 / 1000) comes from quizzes, you should spend extra time ensuring you maximize your quiz score.

On the other hand, point values from quizzes are often weighted lower than your midterm and final grades – often, because your instructor wants to grade you on your complete understanding of the material rather than recalling by rote something from the textbook.

Your overall grade will often be determined by your final exam. Because your class is almost complete, you should take your syllabus and your scores and be able to calculate your current class grade.

For example, your current grade may be a B+ because out of 800 possible points, you have 704 points or 88% (704 / 800). If your final exam is worth 200 points, then your total points is 1,000 and you will need 186 on your final exam for an A- (900 / 1000 is 90%) and a perfect score on your final exam worth 200 points, will still keep you at an A- for your overall grade. Why? Because your final exam was only 20% of your total grade.

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  • Mercer University: Weighted Average Grade Calculator
  • Canvas: How Do I Weight the Final Course Grade Based On Assignment Groups
  • Georgia Tech: How Categories and Weighting Affect Grade Calculation In Percentage Gradebooks
  • Baruch College Undergraduate Bulletin: Letter Grades and Grade Point Equivalents

Helen Jody Lin has been writing since 2009. She has written screenplays, produced short films and worked in entertainment marketing. Her work has been published in campaigns for Fanscape, a digital media marketing agency. Lin has a thorough knowledge of broad topics such as fitness and extreme sports. She graduated from the University of Texas at Austin with a Bachelor of Arts in radio-television-film.

Grade Calculator

Use this weighted grade calculator to easily calculate the weighted average grade for a class or course. Enter letter grades (A, B-, C+, etc.) or percentage scores (75, 88, 92, etc.) achieved on all relevant exams, homework assignments, projects, verbal exams, etc. as well as their weights as percentages. Optionally, enter a final grade goal to estimate how much you need to score on your final exam in order to meet your goal.

Related calculators

  • How to calculate your grade
  • What grade do I need on my final?
  • How to convert a grade to percentage?

    How to calculate your grade

With the help of this grade calculator you can calculate your current weighted grade or unweighted grade in terms of percentage, letter grade, or GPA. The tool will also output the weight of all remaining exams, and assignments and has the option of calculating the minimum score you need to obtain on a final exam in order to achieve a target overall grade for a class or course.

To use the calculator, enter the number of grades you currently have, then each grade as a percent or letter grade , and finally the weight each grade adds towards the overall. If no weights are entered, the weights are assumed equal and the calculator will output the unweighted average grade. Otherwise a weighted average grade will be produced in terms of percentage, GPA, and a letter grade.

    What grade do I need on my final?

If you haven't yet got a score on the final exam for a given class, you can use this tool as a final grade calculator. In order to achieve a given grade goal for the entire class, course, or semester, a given minimum grade is required on the final exam, depending on both the weighted average grade to that date, and the weight of the final on the overall grade. This minimum required score can be calculated using the following formula:

Required final score = (Grade Goal - Current Grade x (100% - Weight of Final(%))) / Weight of Final(%)

The current grade is calculated based on the weighted average of all marks to date. The weight of the final test is calculated as 100% minus the combined weight of all grades to date. Therefore, if the combined weight of the scores you enter is 65% then the final exam will have a weight of 100% - 65% = 35%.

    How to convert a grade to percentage?

Our grade calculator uses the following table to convert letter grades to percentages. Note that since this is not a universally applicable table, ideally one would want to know the exact percentage scores and use these as input for the calculator, otherwise the results may be slightly off.

Letter grades to percentages and GPA
Letter GradePercentageGPA
A+ 97-100% 4.3
A 93-96% 4.0
A- 90-92% 3.7
B+ 87-89% 3.3
B 83-86% 3.0
B- 80-82% 2.7
C+ 77-79% 2.3
C 73-76% 2.0
C- 70-72% 1.7
D+ 67-69% 1.3
D 63-66% 1.0
D- 60-62% 0.7
F 0-59% 0.0

Again, it is our recommendation that you check with your local school or college and enter percentage grades instead of letter grades for the most accurate calculation. Note that while U.S. colleges and schools are likely to use the above grading, educational institutions in other countries may use a vastly different GPA scale.

Cite this calculator & page

If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G.Z., "Grade Calculator" , [online] Available at: https://www.gigacalculator.com/calculators/grade-calculator.php URL [Accessed Date: 08 Sep, 2024].

     Other calculators

Weighted Average Calculator

  • Let's start from the beginning: what is a weighted average?

How to calculate a weighted average

Weighted average formula, weighted vs. unweighted gpa for high school, different averages: arithmetic, geometric, harmonic.

To understand how a weighted average calculator works, you must first understand what a weighted average is. Weighted average has nothing to do with weight conversion, but people sometimes confuse these two concepts. The typical average, or mean, is when all values are added and divided by the total number of values. We can compute this using our average calculator , by hand, or by using a hand-held calculator since all the values have equal weights.

But what happens when values have different weights , which means that they're not equally important? Below you will see how to calculate the weighted mean using the weighted average formula. Also, you'll find examples where the weighted average method may be used - like e.g. calculation of the GPA, average grade, or your final grade.

Prefer watching over reading? Learn all you need in 90 seconds with this video we made for you :

Let's start from the beginning: what is a weighted average?

Weighted average (weighted arithmetic mean) is a concept similar to standard arithmetic mean (called simply the average ), but in the weighted average, not all elements contribute equally to the final result. We can say that some values are more important than others, so they are multiplied by a coefficient called the weight .

For example, during your studies, you may encounter a situation where the grade from an exam is two times more important than the grade from a quiz - and that's exactly what we call the weighted average method. To define it in a more mathematical way, we can write the weighted average formula as:

where x 1 x_1 x 1 ​ , x 2 x_2 x 2 ​ ,…, x n x_n x n ​ are our numbers, and w 1 w_1 w 1 ​ , w 2 w_2 w 2 ​ ,…, w n w_n w n ​ are our weights - the importance of the numbers in averaging.

So, having an A from an exam and a C from a quiz, you'd get a B as a standard average, but assuming that the exam is two times more important, you should get a B+ .

🙋 If you're running a business, you may be interested in checking our WACC calculator , which concerns the Weighted Average Cost of Capital.

One type of average which is typically weighted is a grade point average. As the calculation of GPA may sometimes be tricky, we've created two dedicated tools: the high school GPA and the college GPA calculator — have you checked them yet?

Let's find out how to calculate a weighted average - the easiest way is to look at the simple example:

Suppose a student has two four-credit classes, a three-credit class, and a two-credit class. Assume that the grades of the courses are as follows:

  • A for a four-credit class;
  • B for the other four credit class;
  • A for the three credit class; and
  • C+ for the two credit class.

Then, we need to translate the letter grades into numerical values. Most schools in the US use a so-called 4.0 GPA scale, which is a 4-point grading scale. The table below shows a typical letter grade/GPA conversion system:

Letter Grade

Percentile

4.0 scale

+4.0 scale

A+

97-100

4

4.3

A

93-96

4

4

A-

90-92

3.7

3.7

B+

87-89

3.3

3.3

B

83-86

3

3

B-

80-82

2.7

2.7

C+

77-79

2.3

2.3

C

73-76

2

2

C-

70-72

1.7

1.7

D+

67-69

1.3

1.3

D

65-66

1

1

F

Below 65

0

0

So from the table, we know that A = 4.0, B = 3.0, and C+ = 2.3. Now that we have all the information, we can have a look at how to calculate the GPA using a weighted average method:

  • Sum the number of credits. 4 + 4 + 3 + 2 = 13 , that was a really easy step.
  • Take the value assigned to the grade and multiply it by the number of credits. In our case, it will be:
  • A · 4 credits = 4.0 · 4 = 16 ;
  • B · 4 credits = 3.0 · 4 = 12 ;
  • A · 3 credits = 4.0 · 3 = 12 ;
  • C · 2 credits = 2.3 · 2 = 4.6 .
  • Add all the values. 16 + 12 + 12 + 4.6 = 44.6 .
  • Divide the sum by the total number of credits. So, for our example, it's equal to 44.6/13 = 3.43

We may write the whole weighted average formula as:

(4 · 4 + 4 · 3 + 3 · 4 + 2.3 · 2) / (4 + 4 + 3 + 2) = 3.43

Let's compare this result to an average that is not weighted. Then we don't take the credits into account, and we divide the sum of grades by its total number.

(4 + 3 + 4 + 2.3) / 4 = 3.33

Notice how the weighted average changed. Sometimes it may be a really significant difference - like a grade difference or even whether you pass or fail your course.

Let's repeat what the weighted average formula looks like:

But what does it mean? To figure out how to calculate a weighted average, we need to know the weight of each value. Typically, we present the weights in the form of a percentage or (in statistics) a probability of occurrence.

For example, let's suppose that exams, quizzes, and homework assignments all contribute to a class's grade. Each of the three exams is worth 25 percent of the grade, the quizzes are worth 15 percent, and the homework assignments are worth 10 percent. To calculate the average, you multiply the percentage by the grades and add them together. If the test scores are 75, 90, and 88, the quiz average is 70, and the homework grade is 86, the weighted average is as follows:

(0.25 · 75 + 0.25 · 90 + 0.25 · 88 + 0.15 · 70 + 0.10 · 86) / 1 = 82.35

Compare this to a non-weighted average of (75 + 90 + 88 + 70 + 86) / 5 = 81.8

In statistics, you will often encounter a discrete probability distribution that has values for x and their associated probabilities. Since the probabilities for each value of x will likely not all be the same, we can apply the weighted average formula. Simply multiply each x value by its probability of occurring and sum the values.

🙋 In case you need to estimate the geometric mean, Omni's geometric mean calculator will come in handy.

We often use a weighted average to calculate the so-called weighted GPA . It's a term that rarely appears in the context of college GPA (although college GPA is computed using a weighted average method, with courses credits as weights) but is usually used for high school GPA. Let's have a closer look at this topic.

The first thing we need to emphasize: you need to be precise about what you want to take into account during weighting - credits, course difficulty, or maybe both these factors ?

Course difficulty is taken into account in most weighted GPA calculations. It rewards you for taking classes of a higher level by adding extra points to your grade. There are a couple of types of more demanding courses which influence your weighted GPA score:

  • AP Courses (Advanced Placement Courses) usually give you an additional 1 point to your standard GPA score;
  • IB Courses (International Baccalaureate Courses) are also rewarded with 1 extra point;
  • College Prep classes can also add 1 point to your grade; and
  • Honors Courses most often give you an additional 0.5 points (although you can find examples of schools where it's awarded with 1 point).

So, what are the options for weighing in High school GPA calculations? Let's define:

Unweighted GPA , as the GPA where we DON'T care about course difficulty :

a) and we DON'T care about course credits:

High School GPA = Σ grade value / Σ courses

b) and we DO care about course credits:

High School GPA = Σ (grade value · credits) / Σ credits

Weighted GPA , as the GPA where we DO care about course difficulty :

High School GPA = Σ (weighted grade value) / Σ courses

High School GPA = Σ (weighted grade value · credits)/ Σ credits

It may look a bit overwhelming, but let's have a look at a hypothetical results sheet, and everything should be clear:

Course

Grade

Maths

A

Physics

B+

Physics lab

C+

English

A-

  • 1 a) Unweighted GPA: we DON'T care about course difficulty and credits.

All the courses have the same grade scale and credits, no matter the course difficulty. So we may convert our grades into numbers:

Course

Grade

Scale

Maths

A

Physics

B+

Physics lab

C+

English

A-

Then, we can calculate the unweighted GPA as follows:

Unweighted High School GPA = Σ grade value / Σ courses

= (4.0 + 3.3 + 2.3 + 3.7) / 4 = 13.3 / 4 = 3.325 ≈ 3.33

Did you notice that it's a standard average? It's just summing all scores and dividing the result by the total number of observations (4 courses).

  • 1 b) Unweighted GPA: we DON'T care about course difficulty, but we DO care about credits.

Things are getting more complicated when we consider the course credits. Some sources ignore the course's credits for unweighted GPA scores, but others keep them. So, if your classes have some credits/points, you can calculate the weighted average of grades and credits (but still, it's not the thing we usually name the weighted GPA ):

Course

Credits

Grade

Scale

Maths

0.5

A

Physics

1

B+

Physics lab

0.5

C+

English

1

A-

Then, the GPA will be equal to:

= (4.0 · 0.5 + 3.3 · 1 + 2.3 · 0.5 + 3.7 · 1) / (0.5 + 1 + 0.5 + 1)

= 10.15 / 3 = 3.38333… ≈ 3.38

The courses with higher credits value have better marks in our example, so the overall GPA is also higher.

  • 2 a) Weighted GPA: we DO care about course difficulty and DON'T care about course credits.

Depending on the course type, the letter grades are translated to different numerical values:

Letter Grade

Percentile

Regular GPA

Honors GPA

AP / IB / College Prep GPA

A+

97-100

4

4.5

5

A

93-96

4

4.5

5

A-

90-92

3.7

4.2

4.7

B+

87-89

3.3

3.8

4.3

B

83-86

3

3.5

4

B-

80-82

2.7

3.2

3.7

C+

77-79

2.3

2.8

3.3

C

73-76

2

2.5

3

C-

70-72

1.7

2.2

2.7

D+

67-69

1.3

1.8

2.3

D

65-66

1

1.5

2

F

Below 65

0

0

0

Continuing with our example, now our four classes have the course type assigned:

Course

Credits

Grade

Course Type

GPA Scale

Maths

0.5

A

Honors

Physics

1

B+

Regular

Physics lab

0.5

C+

Regular

English

1

A-

AP

As two courses are not standard classes, they get extra points ( A from Maths - 4.5 instead of 4.0, as it's an Honors course, A- from English - 4.7 instead of 3.7, as it's an AP course).

The formula for the calculation of weighted GPA is:

Weighted High School GPA = Σ (weighted grade value) / Σ courses

= (4.5 + 3.3 + 2.3 + 4.7) / 4 = 14.8 / 4 = 3.7 ,

where weighted grade value is a:

  • grade value + 0 for Regular courses;
  • grade value + 0.5 for Honors courses; and
  • grade value + 1 for AP/IB/College Prep courses.

So we omitted the courses' credits, but we've considered the course's difficulty. And finally, we have

  • 2 b) Weighted GPA: we DO care about course difficulty and DO care about course credits.

So if you're taking into account both credits and course difficulty, then the result is:

Weighted High School GPA = Σ (weighted grade value · credits) / Σ credits

= (4.5 · 0.5 + 3.3 · 1 + 2.3 · 0.5 + 4.7 · 1) / (0.5 + 1 + 0.5 + 1) = 11.4 / 3 = 3.8

That wasn't so hard, was it?

Now that you understood what a weighted average is let's compare different averages. We've prepared for you a table that sums up all the important information about four different means:

Arithmetic Mean

Geometric Mean

Harmonic Mean

Weighted Mean (Weighted Arithmetic Mean)

Sum of observations divided by the total number of observations.

The 'n'th root product of 'n' observations.

The reciprocal of the arithmetic mean of the reciprocals of the given set of observations.

Numbers multiplied by a weight (based on relative importance), summed, divided by the sum of weights.

:

A=24+9=6.5

G=49 =36 =6

H=41+9125.54

Additional info - weights. w1=3, w2=1: W=443+91=5.25

Many different fields, e.g. economics, physics (e.g. mean free path), biology, history, everyday life, and health (e.g., mean arterial pressure).

"Business (investment, CAGR), math (rectangle area in terms of square side, analogically volume), signal processing (spectral flatness, choosing an aspect ratio)".

Many situations involving rates and ratios in physics (e.g., average speed), averaging multiples in finance (such as the price–earnings ratio)), geometry, chemistry, and computer science.

Education (GPA, final grades, average grades), finances (e.g., WACC - Weighted Average Cost of Capital).

Arithmetic mean ≥ Geometric mean ≥ Harmonic mean (for non-negative data)

General formulas for means look as follows:

  • Arithmetic mean:
  • Geometric mean:
  • Harmonic mean:
  • Weighted mean

How to calculate my weighted average if my course work is worth 40%?

Assuming that your test score is worth 60% , and the coursework and test scores are expressed as fractions of 100 , follow these steps to calculate the weighted average:

  • Multiply the coursework score by 2 and the test score by 3 .
  • Add the results together and divide by the total of the weights: 5 .

How do I calculate weighted average?

To calculate the weighted average, follow these steps:

  • Get the weight of each number.
  • Multiply each number by its weight.
  • Add all of the results from Step 2 together.
  • Add all of the weights together.
  • Divide the answer from Step 3 by the answer in Step 4 .

How do I calculate the weighted average of my purchases?

If you purchased three products of different quantities:

  • 5 packs of acrylic paint at $19.99;
  • 3 packs of paint brushes at $13.99; and
  • 2 art canvases at $25.00.

Use the following steps to calculate the weighted average of your spending:

  • Multiplying the price by the quantity: 5 × 19.99 = $99.95 3 × 13.99 = $41.97 2 × 25.00 = $50
  • Find the total spent: 99.95 + 41.97 + 50 = $191.92
  • Find the number of products sold: 5 + 3 + 2 = 10
  • Find the weighted average: 191.92/10 = $19.19

What is the weighted averages of the cost of my stationary?

Assuming that you purchased:

  • 3 packs of pencils at $5 each;
  • 2 packs of paper at $10.00 each; and
  • 5 packs of pens at $15.00.

Your weighted average is $11.

To calculate this, we find the total amount of money spent by following these steps:

  • Find the amount of money spent.
  • Find the total amount of items purchased.
  • Divide the answer in Step 1 by the answer in Step 2.

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Grade Calculator

Our weighted grade calculator shows your average and what to earn for the final grade you want. A timesaver if you don't know how to calculate grades!

Asgmt./Exam

Your current grade

The grade you want

Your final is worth

Related Calculators

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AVERAGE GRADE
ASSIGNMENT/EXAM GRADE WEIGHT
Homework 90 5%
Project B 20%
Midterm exam 88 20%
B (3.21) 45%

FINAL GRADE

A grade of 80.5 or higher is needed for the remaining 40% of tasks to ensure a final grade of 85.

There was an error with your calculation.

Table of Contents

  • Grade Calculators: Useful Tools to Show You What You've Accomplished and Help Plan Your Next Move
  • Where You Are and How to Get Where You're Going

Saving Time

How to determine your weighted average, forming a game plan to reach your target grade, know what you need on the last big test, students and teachers often misunderstand weighted averages.

  • It's Pretty Simple When You Have All the Data

Missing Grades Make the Math More Complicated

The reason we need these calculators, 6 ways to evaluate student progress, grade calculators: useful tools to show you what you've accomplished and help plan your next move.

A weighted grading calculator can be a lifesaver for students who need to know where they stand at any point in the grading period. These convenient programs save time and give students and teachers quick, accurate information. But what is it they do? This article will investigate what functions grade calculators perform, how they operate, and why we have grades in the first place.

Where You Are and How to Get Where You're Going

The three calculators above can help teachers and students answer urgent questions about grades in seconds. First, the Grade Calculator computes a weighted average for any course, accepting both number and letter grades.

Letter Grade GPA Percentage
A+ 4.3 97-100%
A 4 93-96%
A- 3.7 90-92%
B+ 3.3 87-89%
B 3 83-86%
B- 2.7 80-82%
C+ 2.3 77-79%
C 2 73-76%
C- 1.7 70-72%
D+ 1.3 67-69%
D 1 63-66%
D- 0.7 60-62%
F 0 0-59%

In addition, the Final Grade Planning Calculator displays the grade needed on outstanding assignments to reach a target final grade. Also, the Final Grade Calculator determines what a student needs to score on their final exam to reach their target final grade.

Compared to the normal average, a weighted average requires more calculations. When you figure out a weighted average, the many numbers you use are given varying weights or values in relation to one another. This phenomenon occurs in most high-school and college courses, where different assignment types are worth different percentages of the final grade. A course grade calculator makes finding weighted averages quick and accurate.

In addition, many students become concerned near the end of a quarter, semester, or year. They often worry that they will not get a good grade, but they can rely on a Final Grade Planning Calculator to tell them how to perform to reach their desired goal.

Similarly, students often need to achieve a specific score on their final project or exam to get the desired grade. In this case, a Final Grade Calculator lets them know how hard they must work to get where they need to go.

Suppose a grading period is over and all grades are accounted for. In that case, a student can use the Grade Calculator to ensure the teacher made no mathematical errors. In this example, the student enters each assignment, grade, and weight into the calculator.

Assignment/Exam (optional) Grade Weight
Homework Average 76 20%
Quiz Average 90 15%
Test Average 88 35%
Classwork Average 100 10%
Final Exam 91 20%

After clicking "Calculate," the Grade calculator provides a numerical and letter grade.

Average Grade: 87.7 (B+)

Provided there are still grades or categories outstanding, enter the target final grade and the weight percentage weight of the outstanding assignments.

Assignment/Exam (optional) Grade Weight
Homework Average 76 20%
Quiz Average 90 15%
Test Average 88 35%
Final Grade Goal 88
Weight of Remaining Tasks 30%

After hitting "Calculate," the Final Grade Planning Calculator will display the current weighted average and the score required on outstanding work to achieve the desired final grade.

  • Average grade: 85.0 (B).
  • A grade of 95.0 is needed for the remaining 30% of tasks to ensure a final grade of 88.
Assignment/Exam (optional) Grade Weight
Homework Average 76 20%
Quiz Average 90 15%
Test Average 88 35%
Average grade 85

When all grades other than the final exam are accounted for, enter the current weighted average grade, target grade, and final exam weight in the Final Grade Calculator. Click the Calculate button.

  • Your current grade: 79
  • The grade you want: 85
  • Your final is worth: 35%

The Final Grade Calculator will display the final exam grade necessary to attain the desired final grade.

Result You will need a grade of 96.1 or higher on the final.

Weighted averages include numbers with different abilities to skew the average—thus the term "weighted." Unfortunately, many students (and some teachers!) don't understand how to calculate grades using weighted averages because they require more calculations than simple ones.

Suppose you're attempting to figure out your grade in a class where different assignments are worth varying percentages of your final grade. In that case, you might need to determine a weighted average. Whether the sum of your weights equals 1 (or 100%) will affect the method you employ.

It's Pretty Simple When You Have All the Data

To calculate a weighted average where the total weights equal 1, multiply each grade by its corresponding weight and add them all up. Rendered mathematically: g1(w1) + g2(w2) + g3(w3), and so on, where g is each grade and w is the corresponding weight. Of course, most syllabi list weights as percentages, so you will need to convert them into decimals first. For example, 25% equals 0.25; therefore, 100% equals 1.

The math is slightly different when some grades are missing, and the total weights equal less than one. This happens when you use the Final Grade Planning Calculator to determine your current weighted average and the score needed on the outstanding work to get the final grade you want.

Mathematically, you would figure out the weighted average the same way. However, you need to take the sum of each grade (weight) and divide it by the total weight of the known grades (in decimal form).

The formula would be Σgw/Σw where Σgw is the sum of each grade (weight) and Σw is the sum of all weights in decimal form.

The complexity of these calculations makes a weighted grade calculator a lifesaver for students.

Grading is a comparatively recent invention. Since 1785, students at Yale have been receiving the Latin equivalents of the words best (optimi), worse (inferiores), and worst (peiores). So, Yale was the first university in the United States to assign grades.

Before that, American colleges followed the Oxford and Cambridge models, which required frequent attendance at lectures and a weekly dialogue between the student and their proctor, both in person and in writing.

When the proctor or panel of other professors thought the students had shown an appropriate grasp of the subject, the course was declared complete. The faculty gave no grade. A prospective employer could only compare a student's qualifications through reference letters.

Universities experimented with a wide variety of systems during the 19th century. For example, Yale used scales ranging from four to nine points. The professors at Harvard experimented with 20 and 100-point scales before deciding that grouping students into five classes, with the lowest class failing the course, was the best they could do.

To assist professors in evaluating students, William and Mary public research University in the U.S. used the categories: "orderly, accurate, and attentive" or "they have learned little or nothing."

Because of the significant increases in immigration and the emergence of regulations requiring compulsory attendance, schools were overcrowded at the beginning of the 20th century. As a result, teachers and administrators needed an effective, standardized method for testing and grading many pupils. These circumstances naturally led to the nationwide standardization of school grading.

Our calculators use the percentages and letter grades common in the U.S. However, there are many other ways to assess student progress. Here is a quick list of common grading alternatives:

  • A percentage ranging from 0% to 100%.
  • Letter Grades with Variations (A, C+, B-).
  • Standard-Based. Students receive marks relative to specific knowledge in the curriculum.
  • Mastery-Based Grading. Students have the time to master a skill before moving to another.
  • Narrative-Based Grading. Students receive lengthy written feedback about their performance in class.

It may seem that the student grading system has been around forever. However, before the 20th century, the grading systems we now know did not exist.

We still worry about how to determine our grades when each type of assignment has its own "weight." We wonder what we need to get on the final exam to pass.

Our grade calculator can't give you the knowledge to handle every assignment. But he can reassure you by telling you where you are and what results you need to achieve.

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Grade Calculator

Our Grade Calculator can help you determine what you need to get on your final exam to achieve the final grade you would like for a given course.

Please make sure all text fields are filled out.

 No.Score / Out OfGrade (%)Weight (%)
1

Important Notes

You can use our grade calculator to calculate the final exam grade you will need to achieve the overall course grade you desire. Our calculator requires you to enter the current percentage grade you have currently obtained for that course together with the weight of the final exam as a percentage value. However, if you do not know what your current grade is, for the question "Do you know your Current Grade?" select the answer "no." Enter the grades you have received for all of your assignments, homework, test, labs, and anything else that contributes to your final grade, as well as the weight of each grade. Our grade calculator will automatically calculate not only your current grade but the grade you need to achieve on your final exam to achieve the overall course grade you desire. In addition, both the minimum and maximum course overall grades will be provided.

Inputting Data in our Grade Calculator

When entering your current grade and the weight of your final exam, our calculator will assume that your current grade has been based on the weight of the course prior to your final exam and calculates it as the input weight subtracted from 100%. If your current grade hasn't taken your coursework into account, the generated results will not be accurate.

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  • Grade Calculators

Weighted Grade Calculator

Weighted Grade Calculator

Assignments

Assignment 1

Assignment 2

Assignment 3

Assignment 4

Assignment 5

Assignment 6

Assignment 7

Assignment 8

Assignment 9

Assignment 10

Your Grade Average:

To determine what grade you need to get on your remaining assignments (or on your final exam), enter the total weight of all of your class assignments (often the total weight is 100). Then enter the desired grade you would like to get in the class.

Enter Desired Grade

Enter Class Total Weight

Instructions

You can use the calculator above to calculate your weighted grade average. For each assignment, enter the grade you received and the weight of the assignment. If you have more than 10 assignments, use the "Add Row" button to add additional input fields. Once you have entered your data, press the "calculate" button and you will see the calculated average grade in the results area.

If you want to calculate the average grade you need on your remaining assignments (or on your final exam) in order to get a certain grade in the class, enter the desired grade you would like to get in the class. Then enter the total weight of all your class assignments. Often the total weight of all class assignments is equal to 100, but this is not always the case. Press either the “Calculate” button or the “Update” button and you will see your average grade for the class and the results will be displayed in the results area.

Video Instructions

How to calculate weighted grade average?

  • First multiple the grade received by the weight of the assignment. Repeat this for each completed assignment.
  • Then add each of the calculated values from step 1 together.
  • Next add the weight of all the completed assignments together.
  • Finally, divide the calculated value from step 2 above by the value calculated from step 3. This gives you the weighted grade average.

Weighted Grade Formula

Weighted Grade = (w 1 x g 1 + w 2 x g 2 + w 3 x g 3 + …) / (w 1 + w 2 + w 3 + …)

Example Calculation

Here is an example. Let's say you received a 90% on your first assignment and it was worth 10% of the class grade. Then let's assume you took a test and received an 80% on it. The test was worth 20% of your grade.

To calculate your average grade, follow these steps:

  • Multiple each grade by its weight. In this example, you received a 90% on the first assignment and it was worth 10%. So multiply 90 x 10 = 900. You also received an 80% on the test and it was worth 20% of the class grade. So multiply 80 x 20 = 1600.
  • Add the calculated values from step 1 together. We now have 900 + 1600 = 2500.
  • Add the weight of all the completed assignments together. To do this, add 10% for the first assignment and 20% for the second assignment. That gives us 10 + 20 = 30.
  • Finally, divide the value from step 2 by the value from step 3. That gives us 2500 / 30 = 83.33. Therefore our weighted grade average is 83.33%.

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Calculating a Weighted Grade

Calculating Grade Calculating Weighted Grade

Another basic type of grading scheme is a weighted program, where the course grade is divided into component parts, each part being worth some percentage of the total grade. The easiest way I've found to deal with this is to convert the grade components into points, and then work from there.

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What is a weighted grade?

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A weighted grade is one in which the different components of the grade (the homework, essays, etc) are each worth a certain percentage of the total grade, and these percentages do not correlate with the number of points awarded for the components.

For instance, a course may award 300 component points for homework and 200 component points for the midterm, but the homework points comprise only 15% of the overall grade, while the midterm comprises 20% . In a sense, the midterm's component points are worth more than the homework's component points; the midterm is weighted more heavily in the overall grade.

How do you calculate a weighted grade?

To calculate a weighted grade, consider each component of the overall grade separately, and use the fact that a perfect score in the course would mean that you'd earned 100% of the course points available.

  • Each component of the overall grade (such as homework and quizzes) is a certain percentage of the overall grade. Convert this percentage to component points. For example, if homework is 30% of the overall grade, then assign 30 component points for homework.
  • Add up the points you have earned for each component, and divide by the total number of component points available for that component, to get a percentage score for that component of the overall grade. For example, if the homework assignments add up to 500 points and you've earned 395 points, then you have earned 395 ÷ 500 = 0.79 , or 79% of the points available for this component.
  • Multiply the component points by the percentage that you earned on that component. Continuing our homework example, 0.79 × 30 = 23.7 , so you have earned 23.7 course points of the 30 course points available for homework.
  • Add the course points from each component to determine how many course points you have so far.
  • Determine what grade you are seeking for the course, and how many points (out of 100 ) you need for this grade.
  • Subtract the value in (4) from the value in (5). This tells you how many course points you need to get the desired grade.
  • Divide the value in (6) by the component points for the Final. This tells you the percentage that you need to get on the Final in order to earn the desired grade overall.

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It sounds complicated. Here's how it works in practice:

  • A returning student has worked hard on her homework (even swallowing her pride and asking her high-school son for help), and has at least attempted all of the extra credit points available. She has earned 369 points (of the 413 available) on the homework, earned 172 of 200 quiz points, and got 91%, 81%, 79%, and 84%, respectively, on the four tests. She got 13 points on the extra credit project, which were added to her homework score. The homework is 30% of her grade, the quizzes are 10%, each of the tests is 10%, and the Final is 20%. She is hoping for a B in the course (on a standard ten-point scale). Can she get what she's hoping for?

Getting a perfect grade in the course would mean earning 100% of the course points. I'll convert this to being 100 course points.

The homework component of the course is worth 30% of the course grade, so I'll convert this to say that the homework component is worth 30 course points. Doing the same for all the course components (noting that the four tests are 10 course points each), I get:

homework: 30 course points

quizzes: 10 course points

tests: 40 course points

Final: 20 course points

Adding the extra-credit points into her homework grade, she has 369 + 13 = 382 of the 413 homework points. Doing the division, she has earned 382 ÷ 413 ≈ 0.924939… , or about 92.5% of the component points for homework. This component is worth 30 course points, so she has earned 0.925 × 30 =27.75 course points from the homework.

Following this reasoning and method, the course points earned from each component are found by working step-by-step as follows:

  • homework ( 30 course points):

component points: 382 of 413

percentage: 382 ÷ 413 = 0.924939... , or about 92.5%

course points: 0.925 × 30 = 27.75

  • quizzes ( 10 course points):

component points: 172 of 200

percentage: 172 ÷ 200 = 0.86 , or 86%

course points: 0.86 × 10 = 8.6

  • tests ( 40 course points):

component points: 335 of 400

percentage: 335 ÷ 400 = 0.8375 , or 83.75%

course points: 0.8375 × 40 = 33.5

Then the total of her course points so far is:

27.75 + 8.6 + 33.5 = 69.85

(They didn't ask, but this means that she currently is at 69.85 ÷ 80 = 0.873125 , or about 87.3% in the course. She's doing pretty well so far.)

To get a B overall, she needs at least 80% of, or 80 of 100 , course points. She already has 69.85 course points, so she only needs another 80 − 69.85 = 10.15 course points, and the Final is worth 20 course points.

In other words, in order to get a B in the class, she needs to get at least 10.15 ÷ 20 = 0.5075 , or 50.75% , on the Final. Considering that she's done better than that (by quite a bit) on each component of the course, this result for the Final seems quite reasonable.

(They didn't ask but, to get an A, she'd need 90 − 69.85 = 20.15 course points, which is more course points than the Final is worth, so it's mathematically unreachable.)

She should easily be able to get a B.

Sometimes the computations may be thrown off a bit by dropping scores. For instance, I took a chemistry course where we were allowed to drop one of our test scores; heck, we didn't even have to show up for that test, if we didn't feel like it (and I didn't).

Computing the grade in such a situation is just like the previous examples, except that each student will probably be throwing out different scores. If your class has a grading scheme like this, you should definitely keep all of your papers, so you have proof of your scores.

  • In a certain course, the quizzes are 15% of the grade, the lab score is 25%, the tests are 30%, and the Final is 30%. Students are allowed to drop the two lowest quiz scores and the one lowest test score. Course grades are on a standard ten-point scale: 90% or more is an A, 80% to 89% is a B, and so forth. Miguel has worked very hard in this class, but was hospitalized for a while near the beginning of the semester, so he's glad he can drop some of those lower scores. His sixteen quiz scores are 10, 10, 9, 6, [absent], 9, 8, 10, 7, 10, 10, 9, 9, 10, 8, and 9. His four test scores are 92, 73, 89, and 94. He was a butterfingers in the lab (don't even ask how many crucibles and pipettes he broke), so he earned only 71% for his lab grade. To get a scholarship next year, he really needs an A in this course. Can he do it?

Since the quiz component of the grade is the sum of the fourteen highest scores on the 10-point quizzes, the quiz component is out of 140 points. Dropping his 6 and the zero for when he was absent, Miguel's quiz total is 128 component points.

Since the test component is based on three tests, I can view this as being out of 300 points. Dropping the 73, his test total is 275 component points.

I'll calculate each component separately:

  • quizzes ( 15 course points):

component points: 128 of 140

percentage: 128 ÷ 140 = 0.9142857... , or about 91.4%

course points: 0.914 × 15 = 13.71

  • tests ( 30 course points):

component points: 275 of 300

percentage: 275 ÷ 300 = 0.916666.... , or about 91.7%

course points: 0.917 × 30 = 27.51

  • lab ( 25 course points):

component points: 71 of 100

percentage: 71 ÷ 100 = 0.71 , or 71%

course points: 0.71 × 25 = 17.75

Then the total of his course points so far is:

13.71 + 27.51 + 17.75 = 58.97

So far, Miguel is running a 58.97 ÷ 70 = 0.84242857... , or about 84% in the course. To get an A overall, he needs 90% overall, which means he needs to do well on the Final. How well?

To get 90 grade-points in the course, he'll need 90 − 58.97 = 31.03 course points from the Final. But the Final is worth only 30 course points. So it is numerically impossible for him to get an A.

However, to get a B, he'll need only 80 − 58.97 = 21.03 course points from the Final, which is 21.03 ÷ 30 = 0.701 , or 70.1% , on the Final. Since he's done better than 70% on everything (outside of the time he was sick), he should have no trouble getting a B.

It is numerically impossible for Miguel to get an A, but he can easily get a B.

For the scholarship, it might help if he got a letter from his doctor regarding his illness and a testimonial from his instructor or his lab TA regarding his good performance once he got out of the hospital, and include these with his application. He shouldn't give up on the scholarship just because of his illness, because he really did do quite well the rest of the time.

Different grading schemes will have different details, and there are probably infinitely-many ways to design a syllabus, so the above examples can't hope to cover every situation. But if you can understand the basic methodology of the examples, you should be able to figure out what you need on the Final for most any course you take.

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  6. Final Grade Calculator

    Final Grade Calculator

  7. How to Calculate Grades Based on Percentages (With Calculator!)

    How to Calculate Grades Based on Percentages (With ...

  8. Grade Calculator with Weighted Grade Calculation

    Grade Calculator with Weighted Grade Calculation

  9. Weighted Average Calculator

    To calculate the average, you multiply the percentage by the grades and add them together. If the test scores are 75, 90, and 88, the quiz average is 70, and the homework grade is 86, the weighted average is as follows: (0.25 · 75 + 0.25 · 90 + 0.25 · 88 + 0.15 · 70 + 0.10 · 86) / 1 = 82.35. Compare this to a non-weighted average of ...

  10. CPM Homework Help : Homework Help Categories

    CPM Homework Help : Homework Help Categories

  11. Free AI Homework Helper

    Anonymous. Basic Plan. A 24/7 free homework AI tutor that instantly provides personalized step-by-step guidance, explanations, and examples for any homework problem. Improve your grades with our AI homework helper!

  12. Online Math Calculators That Show and Explain Their Work

    The math and algebra calculator collection in this section consists of calculators that will: Help in the memorization and retention of math facts, formulas, and rules. Make quick work of time consuming tasks, such as factoring. Quickly solve common types of problems, such as fractions, exponents, square roots, etc.

  13. Microsoft Math Solver

    Get math help in your language. Works in Spanish, Hindi, German, and more. Online math solver with free step by step solutions to algebra, calculus, and other math problems. Get help on the web or with our math app.

  14. Grade Calculator

    After hitting "Calculate," the Final Grade Planning Calculator will display the current weighted average and the score required on outstanding work to achieve the desired final grade. Average grade: 85.0 (B). A grade of 95.0 is needed for the remaining 30% of tasks to ensure a final grade of 88.

  15. Free Algebra Calculator and Solver

    Free Algebra Calculator and Solver

  16. College Algebra

    Exercise 95. Exercise 96. Exercise 97. Exercise 98. Exercise 99. Find step-by-step solutions and answers to College Algebra - 9780134469164, as well as thousands of textbooks so you can move forward with confidence.

  17. Grade Calculator

    Grade Calculator

  18. Weighted Grade Calculator

    Weighted Grade Calculator

  19. I hate this glitch sm… it says 75% done but there's no ...

    I hate this glitch sm… it says 75% done but there's no option to "do homework" anymore. Help! Archived post. New comments cannot be posted and votes cannot be cast. Ok so they fixed it so you have to do extra credit in order to complete it. I would just make them do it anyway for good grades.

  20. How do I calculate my weighted grade for the Final?

    The homework is 30% of her grade, the quizzes are 10%, each of the tests is 10%, and the Final is 20%. ... This component is worth 30 course points, so she has earned 0.925 × 30 =27.75 course points from the homework. Following this reasoning and method, the course points earned from each component are found by working step-by-step as follows:

  21. Home

    Home | XYZ Homework ... XYZ Homework

  22. Grade Calculator

    Grade calculators help you remain in constant control of your education. They let you know when you should do an extra credit assignment, work harder to meet the minimum standards, and study harder for an upcoming exam. If you are falling behind, it allows you a chance to get extra help to bring your grades up before it is too late.