AP GPA Calculator

Enter your AP and non-AP courses to see exactly how your AP classes affect your weighted GPA. Compare weighted vs unweighted side by side.

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Enter your current courses. Mark each as AP, Honors, or Regular — the calculator applies the correct weight automatically.

Weighted GPA (with AP bonus)
Unweighted GPA (4.0 scale)

How AP courses affect your GPA

AP (Advanced Placement) courses receive a +1.0 bonus on the weighted GPA scale. This means an A in an AP class is worth 5.0 instead of the standard 4.0, a B in an AP class is worth 4.0, and a C is worth 3.0. The bonus applies regardless of whether you take the AP exam or what score you receive on it.

The purpose of the weight is to reflect academic rigor — AP courses are college-level, and the grading scale acknowledges that earning a B in AP Chemistry is a stronger academic achievement than earning a B in a standard chemistry course.

AP weight by grade

GradeRegular GPA PointsAP Weighted Points (+1.0)
A+ / A4.05.0
A−3.74.7
B+3.34.3
B3.04.0
B−2.73.7
C+2.33.3
C2.03.0

How many AP classes do you need to raise your weighted GPA?

The +1.0 bonus per AP course looks significant, but its impact on your overall weighted GPA depends on how many total courses you take and what grades you earn. Here is what different AP course loads produce when you earn all A's:

AP Courses (out of 6 total)Weighted GPA (all A's)Unweighted GPA
0 AP courses4.004.00
1 AP course4.174.00
2 AP courses4.334.00
3 AP courses4.504.00
4 AP courses4.674.00
6 AP courses (all)5.004.00

Notice that the unweighted GPA stays at 4.0 in every scenario — the AP bonus only affects the weighted number. This is why colleges use both: weighted GPA signals rigor, unweighted GPA provides a standardized baseline for comparison.

Does a B in AP hurt your GPA more than an A in a regular class?

No — and this is one of the most common misconceptions about AP courses. A B in an AP class earns 4.0 weighted points, which is the same as an A in a regular class (also 4.0 unweighted). On the weighted scale, a B in AP is neutral compared to an A in regular. On the unweighted scale, a B in AP (3.0) is lower than an A in regular (4.0) — but colleges understand this context.

The practical implication: taking AP courses and earning B's does not hurt your weighted GPA. If you are on the borderline between taking AP and not taking it because you are worried about a B, the weighted GPA math does not justify that concern. The bigger risk is overloading — taking too many AP courses at once and performing poorly across all of them.

AP exam scores vs AP course grades: what colleges see

Your AP course grade (the letter grade on your transcript) is separate from your AP exam score (1–5, set by College Board). Colleges see both, but they affect different things:

For college credit purposes, a score of 4 or 5 on the AP exam can allow you to skip introductory college courses entirely — saving both time and tuition.

AP vs Honors: which is better for your GPA?

AP courses receive a +1.0 bonus; Honors courses typically receive a +0.5 bonus. For weighted GPA purposes, two AP classes produce a larger weighted bump than four Honors classes (assuming equal grades). However, AP courses also carry higher workload and exam pressure. The right choice depends on your capacity and goals:

Related tools and guides

Weighted GPA Calculator — calculate your full weighted GPA including AP, IB, and Honors.
GPA Calculator — calculate your unweighted cumulative GPA.
IB GPA Calculator — convert IB grades to US GPA scale.
GPA Raise Calculator — how many A's do you need to reach your GPA goal?
Weighted GPA Guide for AP Classes — full breakdown of how AP weighting works.
What GPA Do You Need for Med School? — how AP GPA factors into admissions.

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