Academic numbers follow rules that are easy to get slightly wrong. GPA is a credit-weighted average, not a plain average of grades. Cumulative GPA means combining every course ever taken, not averaging the semester GPAs together. And a weighted GPA that adds a point for advanced courses is a different scale from the unweighted 4.0 that many colleges recalculate on their own.
The GPA Calculator handles a single term, the Cumulative GPA Calculator combines terms correctly, and the Grade Calculator answers the question most students actually have mid-semester: what score do I need on the final?
GPA & Grades
Weighted & unweighted GPA
Cumulative GPA CalculatorCombine semesters into one cumulative GPA
Grade CalculatorWhat do I need to pass?
Standardised Tests
Composite ACT score from section scores
AP Lang Score CalculatorEstimate your AP Language exam score
LSAT Score CalculatorEstimate an LSAT scaled score
Study Aids
The standard 4.0 scale
Most US schools convert letter grades to points like this. Plus and minus variations differ by school, and some use a simpler scale with no plus or minus.
| Grade | Points | Grade | Points |
|---|---|---|---|
| A | 4.0 | C | 2.0 |
| A- | 3.7 | C- | 1.7 |
| B+ | 3.3 | D | 1.0 |
| B | 3.0 | F | 0.0 |
Why credit weighting matters: an A in a 4-credit course and a C in a 2-credit course gives (4.0 × 4 + 2.0 × 2) ÷ 6 = 3.33. Averaging the two grades without weights would give 3.0, which understates the larger course.
Schools differ on plus and minus grades, on how repeated courses count, and on which credits are included, so treat a calculated GPA as an estimate and confirm against your transcript. Test-score calculators rely on conversion tables that publishers revise, and an unofficial estimate is not a prediction of an official score.