Grade Calculator

Enter your assignment scores and weights for up to 6 assignments, and this Grade Calculator computes your weighted average grade, letter grade, and GPA equivalent. Add a description for each assignment, input the score (0–100) and its weight (%), and see your overall course grade broken down instantly. You can also use the Final Grade Calculator section to find out what score you need on your final exam to hit your target grade.

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Your current overall grade in the course

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The final grade you want to achieve

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What percentage of your final grade is the exam worth?

Results

Weighted Average Grade

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Letter Grade

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GPA Equivalent

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Total Weight Used

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Final Exam Score Needed

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Score vs Weight per Assignment

Results Table

Frequently Asked Questions

How is the weighted average grade calculated?

The weighted grade is calculated by multiplying each assignment's score by its weight (as a decimal), summing all those products, and dividing by the total weight used. The formula is: Weighted Grade = (w1×g1 + w2×g2 + ...) / (w1 + w2 + ...). This ensures that higher-weighted assignments contribute more to your final grade.

What if my weights don't add up to 100%?

The calculator automatically normalizes your weights. If the weights you enter total something other than 100%, the calculator divides the sum of (score × weight) by the total weight entered, giving you an accurate proportional result based on only the assignments you've filled in.

How do I calculate what I need on my final exam?

Use the Final Grade Calculator section. Enter your current overall grade, the target grade you want to achieve, and the percentage weight your final exam carries. The calculator solves: Final Exam Score = (Target Grade – Current Grade × (1 – Final Weight)) / Final Weight.

What letter grade corresponds to what percentage?

Standard letter grade cutoffs are: A+ (97–100%), A (93–96%), A- (90–92%), B+ (87–89%), B (83–86%), B- (80–82%), C+ (77–79%), C (73–76%), C- (70–72%), D+ (67–69%), D (63–66%), D- (60–62%), and F (below 60%). These may vary slightly by institution.

Can I use this calculator if some assignments have no weight?

Yes. Simply leave the weight field blank or set it to 0 for any assignment you don't want to include. The calculator will only compute the weighted average using assignments that have both a score and a non-zero weight entered.

How do I calculate my test or quiz score as a percentage?

To get a percentage score from a test, divide the number of points earned by the total points possible and multiply by 100. For example, if you answered 36 out of 40 questions correctly, your score is (36 / 40) × 100 = 90%.

What GPA does my letter grade correspond to?

Typical GPA equivalents are: A+ = 4.3, A = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0, C- = 1.7, D+ = 1.3, D = 1.0, D- = 0.7, and F = 0.0. These are the most commonly used values in the US grading system.

Is this calculator suitable for college and high school grades?

Yes, this grade calculator works for any grading system that uses percentage-based scores and weighted categories, making it suitable for high school, college, and university courses. Just enter each graded component (homework, quizzes, exams, projects) with its respective weight.

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