How long is the ACT? The enhanced ACT takes 2 hours and 5 minutes for the three core sections — English, Math, and Reading. Add optional Science or Writing, and you could sit for up to 3 hours and 25 minutes of testing. With check-in and breaks, ACT says the core test ends around 11:05 a.m. online or 11:25 a.m. on paper after an 8:00 a.m. arrival. Find your own end time below, then see exactly what to expect, section by section.
End times are ACT’s published approximate times for national test day. Last verified against ACT’s test day page: October 15, 2026. ACT publishes no end time for extended time.
The enhanced ACT has three core sections that every student takes, plus two optional sections. Here is exactly how long each section lasts and how many questions you will face.
| Section | Questions | Time | Time per Question |
|---|---|---|---|
| English | 50 | 35 minutes | 42 seconds |
| Math | 45 | 50 minutes | 67 seconds |
| Reading | 36 | 40 minutes | 67 seconds |
| Science (optional) | 40 | 40 minutes | 60 seconds |
| Writing (optional) | 1 essay | 40 minutes | — |
| Core Total | 131 | 125 minutes | — |
Every student takes three mandatory sections in a fixed order. English comes first with 50 questions in 35 minutes — the fastest-paced section at just 42 seconds per question. Math follows with 45 questions in 50 minutes, giving you a more comfortable 67 seconds each. After a break, Reading wraps up the core test with 36 questions in 40 minutes at 67 seconds per question.
The Science section is now optional on the enhanced ACT. If you choose to take it, you will answer 40 questions in 40 minutes (60 seconds per question) immediately after Reading. The Writing section is also optional — a single 40-minute essay prompt that comes at the very end of the test.
Whether to take these optional sections depends on your target colleges. Students pursuing STEM programs should consider Science, as it still generates a STEM score when combined with Math. Check your colleges' requirements before test day — skipping an optional section you actually need means retaking the entire ACT.
Your total ACT test length depends on which optional sections you choose. Here is every possible combination and the testing time for each.
| Configuration | Sections | Testing Time | Est. Time at Center |
|---|---|---|---|
| Core Only | English + Math + Reading | 2 hr 5 min | ~3 hours |
| Core + Science | English + Math + Reading + Science | 2 hr 45 min | ~3.5 hours |
| Core + Writing | English + Math + Reading + Writing | 2 hr 45 min | ~3.5 hours |
| Core + Science + Writing | All five sections | 3 hr 25 min | ~4.5 hours |
If you take only the three mandatory sections, you will spend 125 minutes testing. Factor in a 10-minute break after Math, and your actual seat time is about 2 hours and 15 minutes. Most students in this configuration are dismissed from the test center by approximately 11:00 AM.
Each optional section adds exactly 40 minutes. Taking one optional section brings your testing time to 2 hours 45 minutes. Taking both pushes it to 3 hours 25 minutes. Remember that the estimated time at the test center column in the table above includes check-in and breaks — not just testing minutes.
Select a section and enter how many questions you plan to skip (if any) to see your adjusted pacing target.
If you took a practice test from before 2025 and wondered why it felt so long, you were looking at the old format. The enhanced ACT is a substantially different test in terms of ACT test duration and structure.
The enhanced ACT cut the required testing time from 175 minutes (four sections) to 125 minutes (three sections), 50 minutes shorter. Required questions dropped from 215 to 131, a reduction of 84. Science moved from mandatory to optional, meaning the composite score is now calculated from three sections (English, Math, and Reading) instead of four.
| Section | Old Questions | Old Time | New Questions | New Time |
|---|---|---|---|---|
| English | 75 | 45 min | 50 | 35 min |
| Math | 60 | 60 min | 45 | 50 min |
| Reading | 40 | 35 min | 36 | 40 min |
| Science | 40 (required) | 35 min | 40 (optional) | 40 min |
| Writing | 1 essay (optional) | 40 min | 1 essay (optional) | 40 min |
| Required Total | 215 | 175 min | 131 | 125 min |
Every section got a pacing upgrade. English went from 36 seconds per question to 42 seconds. Math went from 60 seconds to 67 seconds. Reading saw the biggest improvement, jumping from 53 seconds to 67 seconds per question — nearly 27% more time. The Math section also simplified by reducing answer choices from five to four, making process of elimination faster.
The enhanced ACT rolled out for digital test-takers in April 2025 and for paper-based national testing in September 2025. State and district testing transitioned in Spring 2026. If you are testing in 2026, you are taking the enhanced format regardless of the delivery method.
Knowing the total ACT time per section is useful, but what matters on test day is how fast you need to move through each question. Here is a closer look at the pacing demands of each section. If you are deciding how many questions you can skip or guess on, see how many questions you can miss on the ACT for each target score.
English (42 seconds per question): This is still the fastest-paced section. You need to read passages and answer grammar, punctuation, and rhetoric questions quickly. The key is not reading the entire passage first — instead, read as you go, answering questions as you encounter the underlined portions.
Math (67 seconds per question): With just over a minute per question, you have enough time for most problems but not enough to get stuck. If a problem takes more than 90 seconds, mark it and move on. The enhanced ACT now offers only four answer choices instead of five, which speeds up elimination.
Reading (67 seconds per question): You have 4 passages with 9 questions each, so budget about 10 minutes per passage. That gives you roughly 3-4 minutes to read and 6-7 minutes to answer. Reading saw the biggest pacing improvement from the old format — up from just 53 seconds per question.
Science (60 seconds per question): If you take this optional section, pace yourself at one minute per question. Focus on the data — graphs, tables, and experimental setups — rather than reading all the background text. Most questions can be answered by looking directly at the figures.
Worked Example
Setup: You are taking the ACT Reading section and have 36 questions to answer in 40 minutes. The section has 4 passages with 9 questions each.
See how well you know the enhanced ACT format. These questions cover the timing details that trip students up on test day.
The total time you spend at the test center is considerably longer than your actual testing time. Plan for about 3 to 5½ hours from the 8:00 a.m. arrival, depending on your optional sections and whether you test online or on paper.
ACT asks you to be inside the test center no later than 8:00 a.m. to allow time for check-in, and late arrivals cannot be admitted. Check-in involves showing your photo ID and admission ticket, finding your assigned seat, and listening to the proctor read instructions, so the first section starts some time after 8:00.
ACT schedules one short break after the second section (Math), before Reading. This is your chance to use the restroom, have a small snack, and stretch. If you take the Writing test, you also get five minutes to reset before the essay.
Between sections (other than breaks), there are brief transition periods while the proctor gives instructions for the next section. These typically last 1-2 minutes and are not counted in your testing time.
ACT publishes approximate end times for a standard 8:00 a.m. arrival. Online testing finishes earlier than paper testing. If you are not taking Science or Writing, tell the staff so they dismiss you at the right time.
| What you take | Ends (online) | Ends (paper) |
|---|---|---|
| English, Math, Reading (core) | 11:05 a.m. | 11:25 a.m. |
| Core + Science | 11:55 a.m. | 12:15 p.m. |
| Core + Writing | 12:00 p.m. | 12:30 p.m. |
| Core + Science + Writing | 1:00 p.m. | 1:30 p.m. |
Students with documented disabilities or learning differences may qualify for extended time on the ACT. Understanding how these accommodations work helps you plan your test day accurately.
The standard ACT accommodation is 50% additional time, applied section-by-section rather than as one continuous block. This means English goes from 35 to approximately 53 minutes, Math from 50 to 75 minutes, and Reading from 40 to 60 minutes. The core test with extended time takes approximately 3 hours and 8 minutes, and with all optional sections, the total can reach 5 to 6 hours.
The process starts with your school counselor, who submits the accommodation request to ACT along with supporting documentation. This documentation typically includes a current evaluation from a qualified professional, a history of receiving accommodations at school, and specific information about how your condition affects testing. ACT typically issues a decision within 5 to 10 business days. Apply well before your intended test date — ideally at least 8 weeks in advance.
The enhanced ACT without writing takes 2 hours and 5 minutes for the three core sections (English, Math, and Reading). Adding the optional Science section increases the time to 2 hours and 45 minutes. These times do not include check-in, instructions or breaks. ACT says core-only testers finish around 11:05 a.m. online or 11:25 a.m. on paper, after arriving by 8:00 a.m.
ACT schedules one short break after the second section (Math), before Reading. If you take the Writing test, you also get five minutes before the essay. You cannot use break time to work on a test section.
Students approved for 50% extended time receive the additional time applied section-by-section, not as one continuous block. The core ACT with extended time takes approximately 3 hours and 8 minutes. With all optional sections included, the test can extend to 5 to 6 hours total.
Be inside the test center by 8:00 a.m.; ACT does not admit late arrivals. Testing starts after check-in and instructions. ACT's published end times are 11:05 a.m. for the core test online (11:25 a.m. on paper), 11:55 a.m. with Science (12:15 p.m. paper), 12:00 p.m. with Writing (12:30 p.m. paper), and 1:00 p.m. with both (1:30 p.m. paper).
Yes, significantly. The enhanced ACT introduced in 2025 cut the required testing time from 175 minutes (four sections) to 125 minutes (three sections), 50 minutes shorter. Required questions dropped from 215 to 131, and the average time per question rose from about 49 seconds to about 57 seconds.