GPA Calculator
Enter the grade points and credit hours for up to 8 classes to get your GPA on the 4.0 scale. Built for a full college semester, use it to track a major's course load, a single term, or any mix of classes with different credit hours.
How to calculate gpa
GPA is a credit-weighted average, not a plain average of your grades. Convert each class's letter grade to grade points on the 4.0 scale, multiply by that class's credit hours to get its quality points, and add up the quality points across every class. Then divide by the total credit hours. A 4-credit class moves your GPA more than a 1-credit class with the same grade, which is why credit hours matter as much as the grades themselves. Leave a class at 0 credits and it is ignored, so you can compute a running GPA with fewer than 8 classes.
GPA = sum(grade points x credits) / sum(credits)
Worked example
This semester you took an A (4.0) worth 3 credits, a B (3.0) worth 4 credits, an A- (3.7) worth 3 credits, and a C (2.0) worth 2 credits.
- Quality points: (4.0 x 3) + (3.0 x 4) + (3.7 x 3) + (2.0 x 2) = 12 + 12 + 11.1 + 4 = 39.1
- Total credits: 3 + 4 + 3 + 2 = 12
- GPA: 39.1 / 12 = 3.258
Result: Your GPA is 3.258 on the 4.0 scale, from 12 total credits.
Frequently asked questions
How do you calculate GPA?
Convert each class's letter grade to points on the 4.0 scale, multiply by that class's credit hours, add up those quality points across all your classes, and divide by the total credit hours. For an A (3 credits), B (4 credits), A- (3 credits), and C (2 credits), that is (4.0x3 + 3.0x4 + 3.7x3 + 2.0x2) / 12 = 39.1 / 12 = 3.258.
What is the 4.0 GPA scale?
It is the standard scale US colleges use to convert letter grades to grade points: 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, and F = 0.0. Some schools round differently or use a straight whole-number scale (A=4, B=3, C=2), so check your registrar's exact table if yours looks different.
How is this different from the high school GPA calculator?
The math is identical, credit-weighted grade points, but this version is built for college: it holds 8 classes instead of 6 to fit a full semester course load, and the content is aimed at semester and major planning rather than a high school transcript. Use the high school GPA calculator if you are working from a high school report card.
Do all my classes count equally toward GPA?
Only if they carry the same credit hours. GPA weights every class by its credits, so a 4-credit course affects your GPA twice as much as a 2-credit course with the identical grade. Always enter each class's real credit hours, not just a count of 1 per class, for an accurate result.
How do I find my semester GPA versus my overall GPA?
Enter only the current semester's classes here to get your semester (term) GPA. To roll a semester into your full academic record, combine it with your prior GPA and credits using the cumulative GPA calculator, which credit-weights your new term against everything you have already completed.
Does a class with 0 credits affect my GPA?
No. This calculator ignores any class row where credits are left at 0, since a class with no credit hours cannot be credit-weighted into the average. That also lets you use fewer than 8 classes: just leave the unused rows at 0 credits.