Weighted and unweighted GPA, in one minute
An unweighted GPA uses the plain 4.0 scale for every class: an A is 4.0 whether it came in AP Chemistry or study hall. A weighted GPA adds a bonus for harder classes, usually +0.5 for Honors and +1.0 for AP or IB, so an A in an AP class counts as 5.0. Weighted GPAs reward rigor; unweighted GPAs are easier to compare across schools.
| Grade | Regular | Honors (+0.5) | AP / IB (+1.0) |
|---|---|---|---|
| A | 4.0 | 4.5 | 5.0 |
| B+ | 3.3 | 3.8 | 4.3 |
| B | 3.0 | 3.5 | 4.0 |
| C | 2.0 | 2.5 | 3.0 |
| F | 0.0 | 0.0 | 0.0 |
How the quick estimate works
If your grades were similar in every class, your weighted GPA is your unweighted GPA plus the average bonus per class:
Weighted ≈ Unweighted + (Honors × 0.5 + AP/IB × 1.0) ÷ total classes
Example: a 3.60 unweighted GPA over 24 classes, with 4 Honors and 5 AP classes, gives a bonus of (4 × 0.5 + 5 × 1.0) ÷ 24 = 0.29, so a weighted GPA of about 3.89. If the AP grades were lower than the rest, the true figure is lower; list classes individually for the exact answer.
Going the other way: weighted to unweighted
You cannot convert a weighted GPA back exactly without the class list, because the same weighted number can come from many mixes of grades and levels. Subtracting the average bonus gives a fair estimate: a 4.20 weighted GPA with the same 9 advanced classes out of 24 suggests about 3.91 unweighted. Your transcript usually shows both.
Which one should you put on applications?
Report exactly what your transcript says, with its scale (for example “4.21 weighted, 5.0 scale”). The Common App asks for the GPA as your school reports it. Admissions readers see your school profile, which explains the weighting, and many recalculate an unweighted core GPA themselves. Weighting is never a reason to avoid a strong class; colleges look at the courses on the transcript, not just the number.
Tips
- Look at both numbers every semester. If your weighted GPA rises while your unweighted GPA falls, the extra rigor is costing you grades.
- Bonus rules differ. Some schools give the AP bonus only for a C or better, and some cap weighted GPAs at 5.0. Ask before you plan around a number.
- Class rank often uses weighted GPA. If your school ranks, the weighting matters more there than in admissions.
Questions students ask
Is weighted or unweighted GPA more important?
For college admissions, most readers focus on unweighted grades in core subjects plus the difficulty of your courses. Weighted GPA matters more for class rank and some state scholarships.
Is a 3.8 unweighted better than a 4.2 weighted?
They measure different things. A 3.8 unweighted means mostly A’s. A 4.2 weighted could be all A’s in regular classes plus a few AP B’s, or mostly B’s in AP classes. Colleges look at the class list to tell them apart.
Do all high schools weight GPA?
No. Many weight, many do not, and the bonus size varies. Your school profile explains your school’s method.
Do colleges weight AP classes themselves?
Some do. The University of California, for instance, recalculates GPA with an extra point for approved honors courses, up to a limit. Many private colleges simply read the transcript.
Sources
Results are estimates for planning. Your school, college or testing organization calculates your official numbers. UpMyGPA is not affiliated with College Board, ACT, LSAC or the AAMC.