Two ways to turn a percentage into a GPA
Through the letter grade (what US schools do). Each course percentage becomes a letter grade, and the letter becomes grade points on the 4.0 scale: 88% is a B+, which is 3.3. This is the method your school uses when it builds your GPA, and it is what this converter shows first.
Proportionally. Some people divide by 100 and multiply by 4, so 88% becomes 3.52. It is easy, but it does not match any US grading policy: under it an A- student (90%) would have a 3.6 instead of 3.7, and a failing 50% would still earn a 2.0. Use it only if a form explicitly asks for a proportional conversion.
The formulas
Letter method: % → letter (school scale) → grade points Proportional: GPA = % ÷ 100 × 4 Rescaling: GPA on 4.0 = your GPA ÷ your scale’s maximum × 4
Worked examples
| GPA | Percent (standard scale) | Letter |
|---|---|---|
| 3.0 GPA | 83–86% | B |
| 3.5 GPA | about 88–89% | between B+ (87–89) and A- (90–92) |
| 3.7 GPA | 90–92% | A- |
| 3.8 GPA | about 91% | between A- and A |
| 4.0 GPA | 93–100% | A / A+ |
Rescaling example: a 4.2 on a weighted 5.0 scale is 4.2 ÷ 5 × 4 = 3.36 on a 4.0 scale. That is only a rough guide, because weighted GPAs add bonus points rather than stretching the scale. If you know your unweighted GPA, use that instead. An 8.0 out of 10 becomes 3.2 by the same formula, but many universities convert 10-point grades with their own bands.
Why GPA to percentage is a range
A GPA is an average of letter grades, and each letter covers a band of percentages. A student with all B’s (3.0) could have 83% in every class or 86% in every class. That is why the converter shows the band for the letter your GPA reaches, plus an estimate between letter cut-offs.
Tips
- Check which percent scale your school uses before converting; see the GPA scale chart.
- For an Indian CGPA (10-point scale), use the CGPA to percentage converter, which has the board and university formulas.
- To compute a real GPA from several courses, enter them in the GPA calculator with percent grades switched on.
Questions students ask
What is 3.5 GPA in percentage?
On the standard US scale, a 3.5 is between a B+ (87–89%) and an A- (90–92%), so about 88–89%. Schools and evaluators may convert differently.
What is 3.7 GPA in percentage?
A 3.7 is an A-, which is 90–92% on the standard 10-point scale.
What is 3.8 GPA in percentage?
About 91%, between an A- (3.7, 90–92%) and an A (4.0, 93%+).
How do I convert my GPA to a 4.0 scale?
Divide your GPA by the top of your scale and multiply by 4. A 4.5 out of 5.0 becomes 3.6. If your 5.0 scale is a weighted high school GPA, your unweighted GPA is a better 4.0 equivalent.
Is 80% a good GPA?
An 80% is a B-, or 2.7 on the 4.0 scale. It is a passing, solid grade, though below the 3.0 many scholarships require.
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.