Everything you need to ace AP Calculus AB
Get unlimited AP Calculus AB mock exams and practice by unit. Track your progress as you move through a guided study path with practice, notes and cram sheets.
95% of Knowt users passed the exam in 2026
81% of Knowt users scored a 4 or 5 in 2026
AP EXAM IN
222days
17hrs
56min
8,552,175 users across the top schools
You're already behind if you're not using Knowt
Get a realistic AP Calculus AB study path
We'll map out what topics to study and in what order from now until your AP exam.
Practice AP Calculus AB multiple choice & FRQs by unit
Work through targeted multiple choice and free response practice questions across all 8 AP Calculus AB units.
See your projected AP Calculus AB score as you study
Track your projected AP Calculus AB score, unit and section mastery, and every past session. Knowt gives tailored feedback and recommended next steps after each practice set.
Free AP Calculus AB notes & flashcards for every unit
Start browsing our top notes & flashcards across a library of 5 million resources.
Unit 2: Differentiation: Definition and Fundamental PropertiesDefinition of the Derivative · Basic Differentiation Rules · Product and Quotient RulesUnit 3: Differentiation: Composite, Implicit, and Inverse FunctionsChain Rule · Implicit Differentiation · Inverse Function DerivativesUnit 4: Contextual Applications of DifferentiationRates of Change in Context · Related Rates · Linearization and L'Hôpital's RuleUnit 5: Analytical Applications of DifferentiationMean Value Theorem and Extreme Values · First and Second Derivative Analysis…Unit 6: Integration and Accumulation of ChangeAccumulation and Riemann Sums · Fundamental Theorem of Calculus…Exam Prep Pricing
See pricing for our free, annual, and monthly plans
BasicSee our refund policy
Free
No costStudy materials for every exam & unit
Build a personalized schedule
Ultra - AnnualSee our refund policy
$12.99per month
Billed upfront for $149.99Everything in Free and:
Ad Free Experience
Unlimited practice for every unit
Unlimited mock exams
Answer explanations on all questions
Exam analytics
Guided feedback after practice
Ultra - MonthlySee our refund policy
$24.99per month
Billed every month for $24.99Everything in Free and:
Ad Free Experience
Unlimited practice for every unit
Unlimited mock exams
Answer explanations on all questions
Exam analytics
Guided feedback after practice
Frequently Asked Questions
We're on the hot seat.
What is the Knowt AP Hub?
If you're not sure how to tackle your AP test prep throughout the year, the Knowt AP Hub is perfect for you. We've worked with students to create AP study guides, AP resources and AP flashcards for every AP class. These are designed to help you get an A in the class, and most importantly do well on the AP exam.
The best part about our AP Hub is the resources are free and created by actual AP students like you who've taken the class. So, you are guaranteed to find intuitive AP study notes that are easy to understand and cover the topics that will actually show up on the AP exam
Can I make my own AP study guides on Knowt?
If you want to personalize your AP study guides, no worries! Use the AP study guides we've selected as a starting point, make a copy and add in any specific pointers your teacher may have mentioned. You can think of our AP test study guides as a starting point and add on as much as you want to customize it.
How do I use the AP resources to get a 5?
We've got you covered with lots of AP resources to help you with your AP test prep, but it can be overwhelming to figure out exactly where to start. For each exam, start with the Ultimate AP exam study guides, which offers a summary of every single thing covered in the course. Once you figure out what you struggle with most, head over the specific unit study guide and flashcards to practice that topic more. Click through out AP test study guides to learn more about them.
What AP resources does Knowt have?
Knowt had tons of free AP resources broken down by subject and unit. For each Subject, you'll find
- An "Ultimate Guide" to the AP course
- In Depth Unit Breakdowns
- Recommended Youtubers
- Discord Community for that AP subject
What is the “Ultimate” AP Study Guide?
To make your life easier, we also compiled one Ultimate AP Study Guide for every AP exam that has literally every single thing you need to know to get a 5 on that AP exam.
Where can I find the AP Flashcards?
Most of the AP exams are very vocab heavy, so it's extremely important that your spend time getting to know the most important terms. Click on any subject and you'll find a Ultimate set of flashcards for that AP exam along with flashcard sets for each unit. We have multiple AP flashcard decks for each AP exam that include important events, key players, structures, etc.
Since there's typically a lot of vocabulary, the best way to make the most out of these AP flashcards is to start early and use our spaced repetition mode to study them!
Since there's typically a lot of vocabulary, the best way to make the most out of these AP flashcards is to start early and use our spaced repetition mode to study them!
How do I practice for my AP Exams?
When you're done studying from the AP study guides and flashcards, it's time to put your knowledge to the test. We leverage the power of AI to create unlimited AP practice tests until you completely master the material. The best way to prepare for the AP exam is to keep practicing using our AP practice tests, correcting your mistakes, reviewing the topics you get wrong using our AP study guides and repeat!
Who writes the Knowt AP Study Guides?
All the AP exam study guides and AP flashcards in the Knowt AP Hub were written by real, actual AP students like YOU! That's how you know you can actually trust them.
What is the Digital AP Exam?
Starting May 2023, the CollegeBoard is offering seven select AP exams in the digital format. The exams available as of May 2023 will be AP Computer Science Principles, AP English Language, AP English Literature, AP European History, AP Seminar, AP US History and AP World History. The digital version of the exam will be on the exact same day as the paper exam and will also be the exact same content. To see if you're allowed to take the digital version, reach out to your school because they are allowed to choose whether they offer only the digital exam, only the paper exam or both.
How are AP exams scored?
AP exams are scored on a scale of 1 to 5, with 5 being the highest score. The College Board uses a standardized scoring process that involves trained graders that evaluate student responses. The exact scoring criteria and rubrics are provided for each exam and can be found on the College Board's website.
How long is each AP Exam?
Most AP exams are two to three hours long. The exact duration varies depending on the subject. Some exams may also include a break in the middle.
Can I take an AP exam without taking the AP course?
Yes, you can take an AP exam as a "non-enrolled" student! This option allows students to self-study for an AP exam without taking the formal AP course at their school. When you're signing up make sure to check off the "non-enrolled" student. We have lots of free AP study guides and AP resources you can use to help with your AP test prep.
What will I find for each exam in the Knowt AP Hub?
Each AP exam page in the Knowt AP Hub will include an ultimate study guide and an ultimate flashcards set that cover every single thing on the exam. You will also find AP study guides and AP flashcards broken down by unit, along with some of our favorite youtube channels for each AP exams. On top of all these free AP resources, we also have a Discord community filled with tons of AP students taking each AP exam that you can lean on for support and questions leading up to the exam!
What are AP Classes?
The Advanced Placement program is a set of high school courses created by the college board that allows students to complete college level work in their high school setting. Advanced Placement exams are often used by students to get an advantage in college admissions by showing their rigorous work ethic. AP exams allow students who perform well to potentially earn college credit to skip basic classes in college.
How much do AP Exams cost?
Although registering for and completing AP classes are free, the exams cost $94 per exam. However, if you require financial assistance, we would recommend checking with your guidance counselor to see if there are any programs to help you reduce the cost.