SAT vs ACT: which test should you take?
Neither test is easier, and US colleges accept both equally. The SAT is digital and adaptive, with 98 questions in 2 hours 14 minutes and more time per question. The ACT is linear, on paper or computer, with 131 questions in 2 hours 5 minutes plus an optional science section. Take a timed practice test of each and go with your higher score.
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In more detail
The biggest difference is pace. On the SAT you get about 71 seconds per Reading and Writing question and about 95 seconds per Math question. On the ACT, English gives you 50 questions in 35 minutes, about 42 seconds each, and Math and Reading come to about 67 seconds per question. If you read fast and stay calm under time pressure, the ACT can suit you. If you like time to think through multi-step problems, the SAT often does.
Science is the next difference. The ACT has an optional 40-minute science section with 40 questions on data, charts and experiments. Since September 2025 it no longer counts toward the ACT composite, which is now the average of English, math and reading. The SAT has no science section, though some passages and math questions use science data.
The scores look different too: 400 to 1600 on the SAT, 1 to 36 on the ACT. To compare your results, use the official concordance tables from the College Board and ACT. Colleges look at your highest score, so splitting your prep between both tests rarely pays off. Pick one and go deep.
SAT and ACT side by side
| SAT | ACT | |
|---|---|---|
| Testing time | 2 h 14 min, plus a 10-min break | 2 h 5 min, 2 h 45 min with science |
| Questions | 98 | 131, or 171 with science |
| Sections | Reading and Writing, Math | English, Math, Reading, optional Science and Writing |
| Time per question | About 71 to 95 seconds | About 42 to 67 seconds |
| Format | Digital only, adaptive | Paper or digital, linear |
| Calculator | Whole Math section | Whole Math section |
| Score scale | 400-1600 | 1-36 composite |
| College preference | None | None |
Step by step
- 1
Take one full official practice test of each, timed, on two different days.
- 2
Convert both results with the official SAT and ACT concordance table.
- 3
Write down how the pacing felt and whether you finished each section.
- 4
Check if any college on your list asks for the ACT science or writing score.
- 5
Pick the test with the higher converted score. If it is close, pick the one that felt better.
- 6
Commit to that test and build your prep plan around it.
How StudyPDF helps
Whichever test you pick, upload your prep book, notes or practice tests, and StudyPDF builds quizzes and timed practice exams from that material, with results per section. Set your test date in the Plan tab and it lays out dated sessions up to test day, weakest topics first. A free account needs no card.
Sources
See also
- AnswerHow do you study for the SAT?
- AnswerHow long is the MCAT?
- AnswerHow long is the LSAT?
- AnswerWhat is a good NCLEX study plan?
- Practice testACT Practice Questions
- Practice testPSAT Practice Test
- AnswerHow is the SAT scored?
- AnswerHow many questions are on the ACT?
- AnswerHow hard is the SAT?
- AnswerWhat is the average ACT score?
- StudyPDFAI Exam Generator
More questions
Is the ACT harder than the SAT?
Not on average. ACT says the two tests have very similar average difficulty. The ACT feels harder to students who struggle with speed, while the SAT feels harder to those who find multi-step problems slow.
Should I take both the SAT and the ACT?
Usually not. Colleges consider your highest score, so most students do better by focusing on one test. Try a practice test of each first, then commit.
Do it on your own course
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