GPA Calculator
This GPA calculator works out your grade point average on the 4.0 scale. Add a row for each course with its letter grade and credit hours, and you'll get your GPA, the total credits, and the quality points behind it. Flip on weighting for honors and AP classes, and it'll add the bonus those carry. It works for a single semester or a full cumulative GPA, and it's free and private.
- Weighted or unweighted
- 4.0 scale
- Honors & AP bonus
- Any number of courses
- Total credits
Last updated June 17, 2026 Standard US 4.0 scale Reviewed by the Calcowa team
Add every course for a semester, or all your courses for a cumulative GPA. Type only matters when weighting is on.
24.0 quality points ÷ 7 credits = 3.43 GPA
How do I calculate my GPA?
Your GPA is a credit-weighted average of your grades, not a plain average. Each letter grade maps to points on the 4.0 scale, then you multiply by the credit hours so a heavier class counts for more. Add the results, which are your quality points, and divide by the total credits. An A worth 4.0 over 3 credits plus a B worth 3.0 over 4 credits gives 24 quality points across 7 credits, which is a 3.43 GPA. This GPA calculator runs that for every course you add, and it shows the credits and quality points so you'll see exactly where the number comes from.
Working out a GPA, step by step
Here's a two-course term: an A in a 3-credit class and a B in a 4-credit class. It's the same method the tool runs for any number of courses:
- 1
Convert each gradeThe A becomes 4.0 points and the B becomes 3.0 points on the scale.
- 2
Multiply by credits4.0 times 3 is 12, and 3.0 times 4 is 12, giving 24 quality points in total.
- 3
Add the creditsThe two classes are 3 plus 4, so 7 credit hours overall.
- 4
Divide for the GPA24 quality points divided by 7 credits is a 3.43 GPA.
Letter grade to GPA points
Here's the standard 4.0 scale the calculator uses. Weighting adds 0.5 for an honors course and 1.0 for an AP or IB course on top of these base points, so that's how a weighted GPA climbs past 4.0. If your school's scale differs, it's usually close to this one, and you'll still get the right shape.
| Grade | Points | Grade | Points |
|---|---|---|---|
| A / A+ | 4.0 | C+ | 2.3 |
| A- | 3.7 | C | 2.0 |
| B+ | 3.3 | C- | 1.7 |
| B | 3.0 | D | 1.0 |
| B- | 2.7 | F | 0.0 |
Frequently asked questions
Turn each grade into points on the 4.0 scale, multiply by that course's credit hours, add those up, then divide by the total credits. So an A worth 4.0 across 3 credits and a B worth 3.0 across 4 credits give (12 + 12) divided by 7, which is 3.43. This GPA calculator does it for every course you add, so you don't have to track the points and credits by hand.
It's the standard US scale where an A is 4.0, a B is 3.0, a C is 2.0, a D is 1.0, and an F is 0. The plus and minus grades sit between, so an A- is 3.7 and a B+ is 3.3. Credit hours weight each grade, which is why a high mark in a 4-credit class moves your GPA more than the same mark in a 1-credit class. The table below lists every value.
A weighted GPA gives extra points for harder classes, so an A in an honors course or an AP course counts for more than an A in a regular one. Turn on the weighted toggle and set each course type, and the tool adds 0.5 for honors and 1.0 for AP on top of the base points. That's why a weighted GPA can climb above 4.0, while an unweighted one tops out at 4.0.
A cumulative GPA covers every course across all your terms, not just one semester. Add a row for each class you've taken, from every term, with its grade and credits, and the total at the top is your cumulative GPA. To check a single semester instead, enter only that term's courses. The math is the same either way, since it's all credits and points.
Most college courses run 3 or 4 credit hours, labs and electives are often 1 or 2, and a full-time load is around 12 to 15 a term. The number usually reflects how many hours a week the class meets. If you're not sure, your syllabus or course catalog lists it, and you'd type that figure into the credits box for each row.
Yes to both. There's no sign-up, no limit on courses, and nothing to install, since it runs in your browser. The grades and credits you enter stay on your device and aren't sent anywhere. Bookmark it and you'll have a quick way to check your GPA before registration, after finals, or whenever you're planning your next term.
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