How long is the AP Calc AB exam?
The AP Calculus AB exam is 3 hours and 10 minutes long. Section I has 42 multiple-choice questions in 1 hour 40 minutes, and Section II has 6 free-response questions in 1 hour 30 minutes. Each section counts for 50% of your score. AP Calculus BC is the same length. A calculator is allowed on some parts only.
In more detail
Section I is split into two timed parts. Part A has 29 questions in 62 minutes with no calculator, about 2 minutes each. Part B has 13 questions in 38 minutes, and a graphing calculator is required for some of them, just under 3 minutes each. Part A counts for 35% of your score and Part B for 15%.
Section II also has two parts. Part A has 2 problems in 30 minutes with a graphing calculator required, and Part B has 4 problems in 60 minutes with no calculator, so about 15 minutes per problem in both. Part A counts for 16.7% of your score and Part B for 33.3%. You view the questions in Bluebook but handwrite your answers in a paper booklet, with the work and notation the problems ask for.
AP Calculus BC has the same length and the same structure on the College Board's exam page: 42 multiple-choice questions, 6 free-response questions and 3 hours 10 minutes. You cannot take both AB and BC in the same year. In 2027 the exam is on Monday, May 10, in Session 1, usually the morning. Check-in and instructions come on top, and approved accommodations such as extended time make it longer.
AP Calculus AB exam timing and calculator rules (College Board, October 2026)
| Part | Questions | Time | Calculator |
|---|---|---|---|
| Multiple choice, Part A | 29 | 62 min | Not allowed |
| Multiple choice, Part B | 13 | 38 min | Graphing calculator required for some questions |
| Free response, Part A | 2 | 30 min | Graphing calculator required |
| Free response, Part B | 4 | 60 min | Not allowed |
| Total | 48 | 3 h 10 min | Depends on the part |
Step by step
- 1
Take one full practice exam in one sitting: 100 minutes of multiple choice, then 90 minutes of free response.
- 2
Pace multiple-choice Part A at about 2 minutes per question without a calculator, and Part B at just under 3 minutes.
- 3
Practice the calculator parts with the same graphing calculator you will bring, and learn its graphing, table, root-finding and numerical integration functions.
- 4
Give each free-response problem about 15 minutes, and practice Part B, the four problems without a calculator, by hand.
- 5
Write out the setup, justification and notation each problem asks for, since a bare answer often earns only part of the points.
- 6
Score your answers with the official scoring guidelines and review the course units behind your misses.
How StudyPDF helps
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See also
- AnswerHow long are AP exams?
- AnswerHow do you study for a math exam?
- AnswerHow do you study for AP exams?
- AnswerHow do you study for multiple choice tests?
- Practice testAP Calculus AB Practice Test: Units 1 to 8
- Practice testAP Precalculus Practice Test: Units 1 to 3
- AnswerHow long is the AP Statistics exam?
- StudyPDFAI Exam Generator
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More questions
Is the AP Calculus BC exam longer than AB?
No. The College Board lists the same 3 hours 10 minutes for both, with 42 multiple-choice questions and 6 free-response questions.
Can you use a calculator on the AP Calculus AB exam?
Only on some parts. A graphing calculator is not allowed in multiple-choice Part A or free-response Part B, and it is required for some questions in multiple-choice Part B and in free-response Part A.