AP Physics C: Electricity and Magnetism Score Calculator
Enter your practice-test results to predict your AP score from 1 to 5. Drag the sliders or type your points — the estimate updates instantly.
How the Physics C: E&M exam is scored
42 multiple-choice questions (50%) and 4 free-response questions (50%) using calculus-based electricity and magnetism. (Format effective May 2027.)
| Section | Points | Weight |
|---|---|---|
| Multiple choice | 42 | 50% |
| Free response | 40 | 50% |
Estimated Physics C: E&M score cutoffs
The College Board sets new cutoffs each year. These estimates come from historically released scoring worksheets — use them as a guide, not a guarantee.
| AP score | Weighted composite (approx.) |
|---|---|
| 5 | 60%+ |
| 4 | 47%–59% |
| 3 | 35%–46% |
| 2 | 25%–34% |
| 1 | Below 25% |
3 ways to raise your Physics C: E&M score
- 1
Gauss's law and Ampère's law questions reward choosing the right symmetry — practice that first step.
- 2
RC and RL circuits appear constantly; know the exponential solutions by heart.
- 3
Keep vector directions explicit with the right-hand rule on every magnetism problem.
Common questions
How is the AP Physics C: Electricity and Magnetism exam scored?+
42 multiple-choice questions (50%) and 4 free-response questions (50%) using calculus-based electricity and magnetism. (Format effective May 2027.) Section scores are combined into a weighted composite, which the College Board converts to a score from 1 to 5.
What composite score do I need for a 5 on Physics C: E&M?+
Cutoffs change every year. Based on historically released scoring, a 5 has typically required roughly 60% of the weighted composite, a 4 about 47%, and a 3 about 35%. Treat these as estimates.
How accurate is this AP score calculator?+
It uses the official section weights and estimated cutoffs from past exams, so it gives a good ballpark — usually within one score point. Your actual score depends on that year's curve.
When do AP scores come out?+
AP scores are typically released in early July through your College Board account.