How weighted GPA works
Each letter grade maps to a grade point on the standard 4.0 scale (below), then the class level adds a bump: +0.5 for Honors, +1.0 for AP or IB — the most common weighting in US high schools. Your weighted GPA is the credit-weighted average of those bumped grade points; the unweighted figure shown under the result skips the bumps, since colleges often recalculate both.
| Grade | Points | Grade | Points |
|---|---|---|---|
| A | 4.0 | C | 2.0 |
| A- | 3.7 | C- | 1.7 |
| B+ | 3.3 | D+ | 1.3 |
| B | 3.0 | D | 1.0 |
| B- | 2.7 | D- | 0.7 |
| C+ | 2.3 | F | 0.0 |
Check your school's exact scale
Weighting isn't universal: some schools cap the bump for a failing grade, use +0.33/+0.67, or weight on a 5.0 scale outright. This uses the most common +0.5/+1.0 convention — compare against your transcript before you quote a number on an application.
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