SAT skill guides

SAT vs ACT in 2026: differences and which test to take

U.S. colleges that ask for test scores accept the SAT and the ACT equally, so take the one you'll score higher on. The biggest differences in 2026 are pace and format. The SAT is digital and adaptive, gives you more time per question, and uses one short passage per question. The ACT moves faster, uses longer passages, and has an optional science section.

The two tests side by side

Both tests changed recently. The SAT went fully digital in 2024. The ACT rolled out a shorter version in 2025 that made science optional and cut the number of questions. Here's how they compare now, using College Board's and ACT's published specifications.

SAT ACT
Format Digital, in College Board's Bluebook app at a test center Paper or online at a test center
Required sections Reading and Writing; Math English; Math; Reading
Optional sections None Science (40 minutes); Writing essay (40 minutes)
Questions and time Reading and Writing: 54 in 64 minutes. Math: 44 in 70 minutes English: 50 in 35 minutes. Math: 45 in 50 minutes. Reading: 36 in 40 minutes
Total testing time 2 hours 14 minutes 2 hours 5 minutes without science
Adaptive Yes, the second module of each section depends on the first No
Score scale 400 to 1600 (two sections, 200 to 800 each) 1 to 36 composite, the average of English, Math, and Reading
Calculator Allowed on all Math questions; Desmos built into the app Allowed on Math

Pace: the biggest practical difference

Time per question is where the tests feel most different.

Section Average time per question
SAT Reading and Writing About 71 seconds
SAT Math About 95 seconds
ACT English About 42 seconds
ACT Math About 67 seconds
ACT Reading About 67 seconds
ACT Science (optional) About 60 seconds

The ACT's 2025 changes gave students more time per question than before, but it's still faster than the SAT. If you often run out of time on tests at school, that gap matters.

Reading and grammar

On the SAT, every Reading and Writing question has its own passage of 25 to 150 words, according to College Board. You read a paragraph, answer one question, and move on. Grammar questions are mixed into the same section and use the same short format.

The ACT splits this into two sections. ACT English gives you longer essays with many underlined portions to fix, so you answer grammar and style questions while reading in context. ACT Reading uses longer passages, each followed by several questions. Students who read quickly and like to hold a whole passage in mind often do well with that format. Students who prefer to focus on one short text at a time often prefer the SAT.

Math

The SAT puts most of its weight on algebra. College Board's specifications put Algebra and Advanced Math at about 35% each of the Math section, with Problem-Solving and Data Analysis and Geometry and Trigonometry at about 15% each. About a quarter of SAT Math questions ask you to type your own answer instead of choosing from options. The built-in Desmos graphing calculator is a real advantage for systems of equations and quadratics.

ACT Math is all multiple choice, now with four answer choices instead of five. It covers a somewhat broader set of topics, including some, like matrices and vectors, that you're unlikely to see on the SAT. You can use an approved calculator on the whole section.

Science

The SAT has no science section, though both of its sections include science passages and questions about tables and graphs. The ACT Science section is optional as of 2025 and doesn't count toward your composite score. It tests how you read data and evaluate experiments more than science facts. Check whether any college on your list wants it before you skip it.

Who should take the SAT

The SAT tends to suit you if:

Who should take the ACT

The ACT tends to suit you if:

How to decide in one weekend

The most reliable method is to take a full practice test of each, timed, under realistic conditions. College Board's practice tests are free in Bluebook, and ACT posts a free practice test on its website. Then compare your results using the official concordance tables that ACT and College Board publish, which translate scores between the two scales. If one score is clearly higher, pick that test. If they're close, pick the one that felt more comfortable, because that's the one you'll stick with through weeks of practice.

If you already have a PSAT score, you have a good read on the SAT side. The PSAT and SAT share a score scale, and the PSAT to SAT converter shows what your PSAT predicts.

Also check what your school offers. Many states and districts give the SAT or the ACT free on a school day. If your school gives one of them, that's a free attempt and a reason to lean toward that test.

Don't prepare for both

Pick one test and commit. The content overlaps, but the pacing, format, and question styles are different enough that splitting your practice time slows your progress on both. Most students are better served by two attempts at one test than one attempt at each.

If you choose the SAT

Learn the format first. The Digital SAT format guide explains the modules, adaptive scoring, and timing. Then find out which skills are costing you points with SAT Owl's free 24-question diagnostic.

Find the skills costing you points. SAT Owl's free 24-question diagnostic predicts your score and shows what to practice first.