AP Calculus AB Score Calculator
Enter your Part A and Part B multiple choice scores and your points on each free response question to estimate your AP Calculus AB score from 1 to 5, based on the May 2027 format.
Enter your raw points from a practice exam to see your estimated 1 to 5 score. Blank boxes count as 0.
Section weights and point values follow College Board's AP Calculus AB exam page for May 2027. The 1 to 5 cutoffs are our estimates, not official figures.
How the AP Calculus AB Exam Is Scored
| Section | Questions and time | Raw points | Weight |
|---|---|---|---|
| Multiple choice | 42 questions, 100 minutes (29 without a calculator, 13 with one) | 42 | 50% |
| Free response | 6 questions, 90 minutes, 9 points each | 54 | 50% |
Multiple choice and free response are worth half the score each. Multiple choice Part A has 29 questions in 62 minutes without a calculator, and Part B has 13 questions in 38 minutes with a graphing calculator. Free response Part A is 2 calculator questions in 30 minutes, and Part B is 4 questions in 60 minutes with no calculator. Each free response question is scored out of 9.
Because 42 questions share the same 50% as 54 free response points, one multiple choice question is worth about 1.2 composite points and one free response point about 0.9. The calculator counts every multiple choice question equally across Parts A and B.
The multiple choice section is shorter from May 2027: 42 questions instead of 45, with Part A down from 30 to 29 and Part B from 15 to 13. To use an older practice test, scale each part to the new length first. For example, 24 of 30 on Part A is about 23 of 29. See College Board's AP Calculus AB exam page for the full format.
AP Calculus AB Score Ranges (Estimated)
College Board sets new cutoffs after each exam and doesn't publish them, and the 2027 exam is the first with 42 multiple choice questions. These ranges are our estimates on a 0 to 100 weighted composite, so allow a few points either way.
| AP score | Estimated weighted composite (out of 100) |
|---|---|
| 5 | 69 to 100 |
| 4 | 55 to 68.9 |
| 3 | 39 to 54.9 |
| 2 | 25 to 38.9 |
| 1 | 0 to 24.9 |
Worked Example
Imagine 20 of 29 on Part A, 8 of 13 on Part B, and free response scores of 6, 5, 4, 5, 3 and 4 out of 9 (27 of 54).
- Multiple choice: 28 ÷ 42 × 50 = 33.3
- Free response: 27 ÷ 54 × 50 = 25
The composite is 58.3, an estimated 4: 3.3 points above our estimated cutoff for a 4 and 10.7 below a 5. Half the free response points plus two thirds of the multiple choice is a solid base.
Tips for Raising Your AP Calculus AB Score
- Free response points are awarded for specific steps, so a correct setup can earn points even if the final answer is wrong. Always show the integral or equation you're using.
- Give decimal answers to three places after the decimal point, and only round at the end.
- When a question asks you to justify, name the theorem or test and check its conditions in words.
- Before exam day, make sure you can graph a function, solve an equation, and find a numerical derivative and definite integral on your calculator quickly.
Frequently Asked Questions
What is a good AP Calculus AB score?
A 3 is the score College Board calls "qualified" and often the lowest a college accepts. Whether a 3, 4 or 5 earns credit for a first calculus course is set by each college, so check its AP policy.
How many questions are on the AP Calc AB exam?
48 from May 2027: 42 multiple choice questions and 6 free response questions. The exam takes 3 hours 10 minutes.
Is a calculator allowed on the AP Calculus AB exam?
Only in some parts. A graphing calculator is required for multiple choice Part B and for the two free response questions in Part A. Calculators aren't allowed in multiple choice Part A or free response Part B.
What's the difference between AP Calculus AB and BC?
BC covers everything in AB plus extra topics, including series and parametric, polar and vector-valued functions. BC students also get an AB subscore. We don't have a Calculus BC calculator yet.
AP is a trademark registered by the College Board, which is not affiliated with and does not endorse this site. Scores are estimates.