AP Calculus AB Practice Test
AP Calculus AB is roughly equivalent to a first-semester college calculus course. The exam tests limits, derivatives, integrals, and the Fundamental Theorem of Calculus across 8 units. The May 2026 exam is a hybrid digital exam: you complete Section I (45 multiple-choice questions) in the Bluebook app, view free-response prompts on screen, and handwrite your six FRQ answers in a paper booklet.
Practice AP Calculus AB multiple-choice questions in a digital interface modeled on the real College Board Bluebook exam. Upload your own PDF or solve a published mock test, then get instant AI scoring and detailed answer explanations. Free for all students.
Complete Guide
Read the AP Calculus AB complete study guide
Exam format, unit-by-unit breakdown, top FAQs from r/APStudents, study timeline, and study resources.
Exam format
45
questions
195
minutes
Hybrid digital (MCQ digital + paper FRQ)
| Section | Questions | Time | Score weight |
|---|---|---|---|
Section I Part A (MCQ, no calculator) | 30 | 60 min | 33.3% |
Section I Part B (MCQ, graphing calculator) | 15 | 45 min | 16.7% |
Section II Part A (FRQ, graphing calculator) | 2 | 30 min | 16.7% |
Section II Part B (FRQ, no calculator) | 4 | 60 min | 33.3% |
Course units and exam weights
- Unit 1: Limits and Continuity10-12%
- Unit 2: Differentiation: Definition and Fundamental Properties10-12%
- Unit 3: Differentiation: Composite, Implicit, and Inverse Functions9-13%
- Unit 4: Contextual Applications of Differentiation10-15%
- Unit 5: Analytical Applications of Differentiation15-18%
- Unit 6: Integration and Accumulation of Change17-20%
- Unit 7: Differential Equations6-12%
- Unit 8: Applications of Integration10-15%
Source: College Board AP Students Course and Exam Description.
Published AP Calculus AB practice exams
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Upload the first examHow AI scoring works
When you upload an AP Calculus AB PDF without an answer key, our system uses Google Gemini to read the document, extract every multiple-choice question, and generate the correct answers. The first attempt seeds the answer key; later attempts use the saved key, so AI runs only once per exam.
Each question is scored against the stored key in real time. After you submit, you can review every wrong answer with an AI-written explanation that grounds the reasoning in the original PDF page.
AI-generated keys may have errors. Always cross-check answers against an official source for high-stakes review.
Calculus AB FAQ
- Should I take Calculus AB or BC?
- BC covers everything in AB plus parametric, polar, vector functions, and series. Take BC if your school offers it and you have strong precalculus skills; otherwise AB is excellent preparation. Note: you cannot take both AB and BC exams in the same year.
- What is the calculator policy on the AP Calculus AB exam?
- A graphing calculator is required on Section I Part B (15 MCQs, 45 min) and Section II Part A (2 FRQs, 30 min). It is NOT permitted on Section I Part A (30 MCQs, 60 min) or Section II Part B (4 FRQs, 60 min). Roughly half the exam is calculator-allowed.
- How long is the AP Calculus AB exam?
- The total exam is 3 hours 15 minutes: 1 hour 45 minutes for the multiple-choice section (50% of score) and 1 hour 30 minutes for the free-response section (50% of score).
- What is the most missed topic?
- Implicit differentiation, related rates, and applications of integrals (especially volumes of solids of revolution) are commonly missed on the FRQ section. Unit 5 (Analytical Applications of Differentiation) and Unit 6 (Integration) together account for 32-38% of the exam.