Last updated: 11 September 2026; every time, question count and rule on this page was read that day on ACT’s own pages. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology.
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The ACT is 2 hours 5 minutes of testing for the three required sections: English (35 minutes), Math (50) and Reading (40), with a 15-minute break after Math. Add the optional Science section and it is 2 hours 45 minutes; add the optional Writing essay as well and it is 3 hours 25 minutes.
Be inside the test centre by 8 a.m. ACT’s published dismissal times for online testing run from about 11:05 a.m. (core test only) to about 1 p.m. (Science and Writing), so budget three to five hours for the morning depending on what you registered for.
How long the ACT takes is no longer one number, because since 2025 the test has been modular: three required sections, two optional ones, and a total that depends on what you ticked at registration. It is also shorter than almost every page still ranking for this question says. The enhanced ACT that arrived online in April 2025 and on paper in September 2025 removed 44 questions and up to 70 minutes; if a guide tells you the ACT is “2 hours 55 minutes with four sections” or gives English 45 minutes and 75 questions, it is describing the old test. Everything below is from ACT’s current pages, read on 11 September 2026.
How long is each ACT section?
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ACT’s sections-and-structure page gives each section’s time and question count. The bracketed figures are how many questions are actually scored; the remainder are unscored field-test items that look identical, so you answer them all.
| Section | Time | Questions | Time per question | Counts toward |
|---|---|---|---|---|
| English | 35 minutes | 50 (40 scored) | About 42 seconds | Composite |
| Math | 50 minutes | 45 (41 scored) | About 67 seconds | Composite; STEM score |
| Break | 15 minutes | – | – | After Math |
| Reading | 40 minutes | 36 (27 scored) | About 67 seconds | Composite |
| Science (optional) | 40 minutes | 40 (34 scored) | 60 seconds | Science score; STEM score (not the Composite) |
| Writing (optional) | 40 minutes, after a 5-minute pause | 1 essay | – | Writing score only |
Two things follow from that table. First, your Composite is the average of English, Math and Reading; Science no longer feeds it, and ACT says plainly that the Writing score does not affect the Composite either. Second, the time per question is tight everywhere except Science: 42 seconds per English question is the fastest pace on either college admissions test, and even Math and Reading give you barely more than a minute. Our good ACT score guide explains how the Composite, the Science score and the STEM score are read by colleges.
How long is the ACT in total? The four configurations
Because Science and Writing are add-ons ($5 and $25 respectively on top of the $70 core fee), the ACT has four lengths. Testing time is the sum of the timed sections; the second column adds the breaks ACT builds in.
| What you registered for | Testing time | With scheduled breaks | Questions | Approx. online dismissal |
|---|---|---|---|---|
| ACT (English, Math, Reading) | 2 h 05 min (125 minutes) | About 2 h 20 min | 131 | 11:05 a.m. |
| ACT + Science | 2 h 45 min (165 minutes) | About 3 h 00 min | 171 | 11:55 a.m. |
| ACT + Writing | 2 h 45 min (165 minutes) | About 3 h 05 min | 131 + essay | 12:00 p.m. |
| ACT + Science + Writing | 3 h 25 min (205 minutes) | About 3 h 45 min | 171 + essay | 1:00 p.m. |
The dismissal times are the approximate figures on ACT’s test-day page for online testing, assuming an 8 a.m. arrival; paper rooms run a few minutes behind because booklets are distributed and collected by hand. Students who did not register for Science or Writing are dismissed when their last registered section ends, and ACT asks you to remind staff of that so you are released at the right point rather than sitting through a section you will not take.
The ACT test-day timeline
| Time (approx.) | What happens |
|---|---|
| 7:30–7:55 a.m. | Arrive. Check-in needs a printed admission ticket and a current photo ID; phones and smart watches go off and out of sight before you enter |
| 8:00 a.m. | Be inside the test centre. ACT’s rule is “no later than 8:00 a.m.” and late arrivals are not admitted |
| 8:15–8:30 a.m. | Instructions finish and English begins (35 minutes), followed immediately by Math (50 minutes) |
| ~9:45 a.m. | 15-minute break after Math. You may eat and drink what you brought; you may not leave the supervised area or touch a phone |
| ~10:00 a.m. | Reading (40 minutes). Students who registered for the core test only are dismissed when it ends, around 11:05 |
| ~10:45 a.m. | Science (40 minutes) for those who added it; dismissal around 11:55 for students not taking Writing |
| ~11:30 a.m. / 12:20 p.m. | Five-minute pause, then Writing (40 minutes). Full-test rooms finish around 1 p.m. |
Timings within a room are set by the proctor, not the clock on the wall, so treat everything after 8:15 as approximate and the 8 a.m. arrival as fixed. If you are the one doing the pickup, the honest windows are 11:00–11:15 for the core test, noon for one add-on and about 1:00–1:15 for both.
How many breaks are there during the ACT?
One scheduled break, plus a pause before the essay. ACT’s accommodations timing sheet calls it “the 15-minute break after the mathematics section”, and its test-day page adds that students taking Writing get five minutes to relax and prepare before the essay. There is no break between English and Math or between Reading and Science. During the break you stay within the supervised test area, your calculator and belongings stay at your desk unless staff say otherwise, and prohibited devices remain off. Anyone approved for stop-the-clock breaks as an accommodation has up to 90 minutes of total break time to use across the test, which includes the standard 15 minutes.
How long is the ACT with extended time?
ACT publishes exact section timings for each accommodation it authorises, and they are per section rather than a flat multiplier on the whole morning:
| Timing support | English | Math | Reading | Science | Writing | Core testing time |
|---|---|---|---|---|---|---|
| Standard (single day) | 35 min | 50 min | 40 min | 40 min | 40 min | 2 h 05 min |
| Time and one-half (single or multiple days) | 52 min 30 s | 75 min | 60 min | 60 min | 60 min | 3 h 07 min 30 s |
| Double time (multiple days) | 70 min | 100 min | 80 min | 80 min | 80 min | 4 h 10 min |
| Triple time (multiple days) | 105 min | 150 min | 120 min | 120 min | 120 min | 6 h 15 min |
| Double time on Writing only | 35 min | 50 min | 40 min | 40 min | 80 min | 2 h 05 min + 80-min essay |
So a time-and-one-half student taking Science and Writing tests for 5 hours 7 minutes 30 seconds, which is why ACT lets that accommodation run over multiple days as well as one. The old rule of thumb that “time and a half is five hours” came from the pre-2025 test and is now too long by almost two hours for the core test. Accommodations must be authorised by ACT before the regular registration deadline for your date; standby testing cannot include them, so students who need extended time have one deadline, not three (our ACT test dates page lists them).
How long was the old ACT, and what changed in 2025?
| Legacy ACT (to 2025) | Enhanced ACT (2025 on) | |
|---|---|---|
| Required sections | English, Math, Reading, Science | English, Math, Reading |
| Section times | 45 / 60 / 35 / 35 minutes | 35 / 50 / 40 minutes (+40 Science optional) |
| Required testing time | 2 h 55 min | 2 h 05 min |
| With Writing | 3 h 35 min | 2 h 45 min (3 h 25 min with Science too) |
| Questions | 215 | 131 core, 171 with Science |
| Math answer choices | Five | Four |
| Composite | Average of four sections | Average of English, Math, Reading |
| Format | Paper; online at some centres | Paper, online, or your own device at a test centre |
ACT’s own summary of the change is that students now get a college-reportable Composite after 125 minutes of testing rather than up to 195, with more time per question in every section. The Science score still exists for students who take it and is combined with Math into a STEM score, which some engineering and health programmes ask for; check your target colleges’ pages before you decide to skip it. If you are also weighing the SAT, our SAT vs ACT comparison puts the two 2026 tests side by side, and our how long is the SAT page has the SAT timeline in this same detail.
How to pace each section
- English, 35 minutes / 50 questions. Roughly 42 seconds a question across five passages: about seven minutes per passage. Grammar and punctuation questions should take 20 seconds; spend the savings on the rhetoric questions that ask about purpose, organisation and whether a sentence belongs.
- Math, 50 minutes / 45 questions. About 67 seconds each, and with four answer choices instead of five, elimination is faster than it used to be. Questions rise in difficulty through the section, so bank time early. A calculator is permitted throughout; online testing has one built in.
- Reading, 40 minutes / 36 questions. About 67 seconds a question, but the real unit is the passage: four of them, so ten minutes each, including the reading. Skim for structure first, then answer the line-reference questions before the inference ones.
- Science, 40 minutes / 40 questions. A minute a question, and it is a data-reading test more than a science test: read the axes and the variables, not every word of the setup.
- Writing, 40 minutes / 1 essay. Five minutes to plan, thirty to write, five to fix. The prompt gives three perspectives; take a position and engage with at least one of them explicitly.
- Guess everything. There is no penalty for wrong answers. In the last minute of any section, fill every remaining bubble (or click every remaining answer) before time is called.
Build the pacing in practice, not on the day: ACT’s free full-length practice tests use the current section times, and one timed run-through tells you which section you cannot finish. Our ACT tips and tricks page goes deeper on strategy for each section.
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Prep that matches the 2026 timings
Older prep drills the wrong clock. Whatever you use, make sure it is built for the enhanced ACT: 35-minute English, 50-minute Math, optional Science, four-choice Math. Start with ACT’s free practice tests; add one of these if you want structure, a teacher or a guarantee. Prices read 11 September 2026; we earn a commission if you enrol through our links, at no change to your price.
| Option | What you get | Price | Best for |
|---|---|---|---|
| Free official prep (ACT) | Full-length practice tests on the current format, QuizMe question practice, free Kaplan sample classes; fee-waiver students get a year of the Official ACT Self-Paced Course | Free | Everyone, first |
| Magoosh ACT | Self-paced video lessons, practice questions, score prediction, email tutor support, 12 months of access; Premium adds on-demand classes; 7-day money-back guarantee | $129 self-study or $399 with classes, the same price on both tests; Magoosh runs sitewide discount codes most months, so check the banner on its plans page before paying list | Self-starters who want structure without live classes |
| Kaplan ACT | Live Online course, Bootcamp and Tutoring + Course tiers; Higher Score Guarantee; ACT’s official prep partner | From $799 list ($680 with code GOAL15 on Live Online) | Students who need a schedule and a teacher |
| Prep Expert ACT | Six-week live online class taught by a small faculty; money-back guarantee of a 4-point Composite improvement | Flagship class $999 for 72 hours of instruction | Students who want a full live course with a published guarantee |
Kaplan ACT: official ACT prep partner → Prep Expert: 4-point guarantee →
For the wider field, see our guide to the best test prep courses. And register before you study: the seven 2026–27 national dates and their deadlines are on our ACT test dates page, and ACT says more than 97% of scores are online within one to four weeks of the test.
Frequently asked questions
How long is the ACT in 2026?
The core ACT (English, Math and Reading) is 2 hours 5 minutes of testing: 35 minutes of English, 50 of Math and 40 of Reading, with a 15-minute break after Math. Adding the optional Science section (40 minutes) makes it 2 hours 45 minutes, and adding the optional Writing essay (40 minutes, after a 5-minute pause) makes the full test 3 hours 25 minutes. Plan on being at the test centre from 8 a.m. until roughly 11 a.m. to 1 p.m. depending on which sections you take.
How many questions are on the ACT?
131 multiple-choice questions on the core test: 50 English, 45 Math and 36 Reading. The optional Science section adds 40 more, for 171, and the optional Writing test is a single essay prompt. ACT notes that a handful of questions in each section are unscored field-test items (40 of the 50 English questions count, for example), but you cannot tell which, so treat every question as live.
How long is the ACT with breaks?
About 2 hours 20 minutes for the core test (125 minutes of testing plus the 15-minute break after Math), about 3 hours with Science, and about 3 hours 45 minutes with Science and Writing once you add the 5-minute pause before the essay. Check-in, instructions and dismissal add another 30 to 45 minutes to the time you spend at the centre.
What time does the ACT start and end?
ACT tells you to be inside the test centre no later than 8 a.m.; late arrivals are not admitted. Testing begins once check-in and instructions are done, typically around 8:15 to 8:30. For online testing ACT publishes approximate dismissal times of 11:05 a.m. for the core test, 11:55 with Science, noon with Writing, and 1 p.m. with both Science and Writing; paper rooms run on a similar schedule.
Is the ACT shorter than it used to be?
Yes. The enhanced ACT, online from April 2025 and on paper from September 2025, cut the core test from up to 195 minutes to 125 by shortening every section, dropping 44 questions and making Science optional. The old ACT was 2 hours 55 minutes for four required sections (45/60/35/35 minutes, 215 questions) and 3 hours 35 minutes with Writing; the new one is 2 hours 5 minutes for three required sections, and the same 3 hours 25 minutes only if you choose both add-ons.
How long is the ACT with extended time?
With time and one-half, ACT’s published section timings are 52 minutes 30 seconds for English, 75 for Math, 60 for Reading, 60 for Science and 60 for Writing, so the core test runs 3 hours 7 minutes 30 seconds and the full test with both add-ons 5 hours 7 minutes 30 seconds. Double time (70/100/80/80/80 minutes) is spread over multiple days, and students approved for stop-the-clock breaks get up to 90 minutes of total break time.
Is the ACT longer than the SAT?
Only if you add sections. The digital SAT is 2 hours 14 minutes; the core ACT is 2 hours 5 minutes, so it is 9 minutes shorter. Add ACT Science and the ACT becomes 2 hours 45 minutes, 31 minutes longer than the SAT. The bigger difference is pace: the ACT gives you about 42 seconds per English question and 67 in Math and Reading, while the SAT gives about 71 and 95 seconds.
Can I leave the ACT early if I finish a section?
No. Every section is timed for the whole room, so finishing English in 25 minutes means ten minutes of checking answers, not an early start on Math; on paper you may not turn to another section, and online the next section does not open until time is called. You can leave early only in the sense that students who did not register for Science or Writing are dismissed when the sections they registered for end, and ACT asks you to tell staff in advance so they release you at the right point.
Related ACT and SAT guides
- ACT to SAT conversion — the official ACT-to-SAT concordance tables, in both directions.
- ACT test dates 2026–2027
- ACT tips and tricks
- What is a good ACT score?
- SAT vs ACT (2026): which test should you take?
- How long is the SAT?
- Best test prep courses online