
The short answer
Take a full practice test of each. Whichever you score higher on — that's your test. Colleges treat them equally.
Side by side
| Digital SAT | ACT | |
|---|---|---|
| Format | Digital, adaptive (online) | Paper or computer-based; non-adaptive |
| Total length | 2 hr 14 min | 2 hr 55 min (3 hr 35 min with Writing) |
| Sections | Reading & Writing, Math | English, Math, Reading, Science (+ optional Writing) |
| Score scale | 400–1600 | 1–36 composite |
| Science section | None (science integrated into Reading) | Yes — separate Science section |
| Calculator on Math | Allowed on the entire Math section | Allowed on the entire Math section |
| Question pacing | ~1:11 per question (more time per question) | ~50 seconds per question (faster) |
| Reading passages | Short passages, one question each | Longer passages, multiple questions |
| Wrong-answer penalty | None | None |
Sources: College Board (digital SAT specifications) and ACT, Inc. (test specifications).
How to choose
Lean SAT if you…
Lean ACT if you…
The single best way to choose: take a free full practice test of each.
College Board (Bluebook app) and ACT both offer free official practice tests. Convert your scores using our SAT to ACT converter and commit to the one where you scored higher.
FAQ
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