Weighted GPA Calculator
Compute your weighted GPA on the standard 5.0 scale. Honors classes earn +0.5 and AP, IB, or dual-enrollment courses earn +1.0 — letting your GPA legitimately exceed 4.0.
Calculations follow the standard US 4.0 scale. Weighted boosts use the most common +0.5 (Honors) and +1.0 (AP/IB/College) convention. Everything runs locally in your browser.
Standard weighting system explained
Most US high schools use a three-tier weighting system. Each grade keeps its base value and gets a bonus added on:
| Course type | Bonus | "A" becomes | "B" becomes |
|---|---|---|---|
| Regular / college-prep | +0.0 | 4.0 | 3.0 |
| Honors | +0.5 | 4.5 | 3.5 |
| AP / IB / Dual-enrollment | +1.0 | 5.0 | 4.0 |
Why weighted GPA exists
Without weighting, a student who takes five AP courses and earns Bs would have a lower GPA than a student who took easy electives and earned all As — even though the AP student is demonstrably more accomplished. Weighting solves this by rewarding course rigor numerically. It also makes class-rank calculations fairer and gives high schools a way to incentivize advanced coursework.
The trade-off: comparability
Weighted GPAs are not standardized between schools. School A might add +0.5 for Honors; School B might add +1.0; School C does not weight at all. This makes interschool comparison meaningless without context. That is why selective US universities almost always recalculate from your transcript using their own uniform formula — and why the unweighted GPA remains the more useful number for cross-school comparison.
How our calculator handles weighting
Toggle Weighted GPA at the top of the calculator. A "Course type" column appears for each row. Pick Regular, Honors, AP, IB, or Dual / College — we apply the corresponding +0.0 / +0.5 / +1.0 boost automatically. The result is reported on the 5.0 scale alongside the equivalent letter grade and approximate percentage.
Frequently asked questions
How does weighted GPA work?
A weighted GPA adds bonus points for harder courses. The most common convention is +0.5 for Honors and +1.0 for AP, IB, or dual-enrollment college courses. An A in an AP class becomes a 5.0 instead of 4.0, allowing your GPA to exceed 4.0.
Can a weighted GPA be over 5.0?
In some cases, yes. A few schools award +1.5 boosts for select AP courses or for dual-enrollment in flagship state university classes, lifting an A to a 5.5. The most common ceiling is 5.0 (A in an AP/IB course).
Do colleges prefer weighted or unweighted GPA?
Selective colleges usually recalculate using their own scale. They look at both your weighted GPA (for class rank context) and your unweighted GPA (for honest grade comparison), plus the rigor of the courses you took.
Is an unweighted 3.8 better than a weighted 4.5?
It depends on course load. An unweighted 3.8 with five AP classes is harder than a weighted 4.5 with no AP classes. Admissions officers always evaluate GPA in the context of the rigor of your transcript.
How is a weighted GPA different at every school?
Different high schools use different weighting systems: some weight only AP, some weight Honors at +0.5, others weight AP at +1.0 only when you score 3+ on the exam. Always check your school profile (the Common App requires it) to see the exact weighting convention.