Updated
How Long Is the DAT? 5 Hours 15 Minutes, Section by Section
The DAT takes 5 hours 15 minutes, per the ADA's 2026 DAT Candidate Guide. That total includes a 15-minute tutorial, a 30-minute break and a 15-minute survey, all optional. The four timed sections take 4 hours 15 minutes for 280 questions.
Plan on about six hours at the center once you add check-in, since the ADA asks you to arrive at least 30 minutes early. This guide covers each section, a test-day clock, the break rules and pacing. Facts checked on November 1, 2026.
How long is each DAT section?
| Section | Questions | Minutes | Seconds per question |
|---|---|---|---|
| Survey of the Natural Sciences | Questions: 100 | Minutes: 90 | Seconds per question: 54 |
| Perceptual Ability | Questions: 90 | Minutes: 60 | Seconds per question: 40 |
| Reading Comprehension | Questions: 50 | Minutes: 60 | Seconds per question: 72 |
| Quantitative Reasoning | Questions: 40 | Minutes: 45 | Seconds per question: 67.5 |
The Survey of the Natural Sciences is 40 biology, 30 general chemistry and 30 organic chemistry questions in one timed block. Perceptual Ability has six subtests: apertures, view recognition, angle discrimination, paper folding, cube counting and 3D form development. Reading Comprehension is three science passages, and Quantitative Reasoning covers algebra, data analysis, quantitative comparison, probability and statistics and word problems, with an on-screen calculator.
In all, 4 hours 15 minutes of the day is testing and 60 minutes is optional. The test timer pauses while a question loads, so a slow screen doesn't cost you time.
What does DAT test day look like?
Here is our clock for an 8:00 AM appointment, taking every optional part. Your center's check-in may run shorter or longer.
| Starts | Part | Minutes |
|---|---|---|
| 7:30 AM | Part: Check in at the Prometric center (the ADA says at least 30 minutes early) | Minutes: 30 |
| 8:00 AM | Part: Tutorial (optional) | Minutes: 15 |
| 8:15 AM | Part: Survey of the Natural Sciences | Minutes: 90 |
| 9:45 AM | Part: Perceptual Ability | Minutes: 60 |
| 10:45 AM | Part: Scheduled break (optional) | Minutes: 30 |
| 11:15 AM | Part: Reading Comprehension | Minutes: 60 |
| 12:15 PM | Part: Quantitative Reasoning | Minutes: 45 |
| 1:00 PM | Part: Survey (optional) | Minutes: 15 |
| 1:15 PM | Part: Done | Minutes: |
Skip the tutorial, break and survey and you'd be done an hour sooner than 1:15 PM. Arriving more than 30 minutes after your start time can mean you are refused and lose the full fee, per the Candidate Guide.
Is there a break during the DAT?
One. The optional 30-minute break after the first two sections is the only scheduled break, and the test starts again on its own when the 30 minutes are up. Use it to eat, drink and reset before Reading Comprehension.
Any other break is unscheduled. During one, the ADA says you may not use your phone, open your locker, eat or drink from it, look at notes or leave the test center, and staff report unscheduled breaks.
How to pace each DAT section
- Answer every question. The ADA says you are not penalized for guessing, so never leave one blank when time runs short.
- Don't hunt for unscored questions. Some questions are experimental and not scored, but they look the same as the rest. Treat every one as if it counts.
- Reading Comprehension: about 20 minutes per passage if you split the hour evenly (our math). Check the clock at each third.
- Perceptual Ability: about 10 minutes per subtest if split evenly (our math), at 40 seconds a question, the fastest pace on the test.
- Use the note boards. The center gives you two note boards and markers. No watches are allowed, so the on-screen timer is your clock.
How to build stamina for a five-hour test
Take full-length practice tests under the real schedule: same start time, same order and a 30-minute break after Perceptual Ability. Our DAT study schedule places them in 2 and 3 month plans. Prometric's Test Drive, described in the Candidate Guide, lets you rehearse check-in and a generic 15-minute sample test (not DAT questions) at a real center. Prometric charges for it.
How long do DAT scores take?
Three to four weeks. The ADA reports results to your schools and your DENTPIN account in that window, and ADEA notes that since March 1, 2025 there is no unofficial score at the test center. Scores run from 200 to 600 in 10-point steps, and our DAT score calculator turns your section scores into the Academic Average. If you need to retest, the ADA makes you wait 60 days between attempts, with at most four in any 12 months. Our good DAT score guide explains the scale, and DAT test dates covers when to test so scores reach your schools in time.
The DAT is offered year round at Prometric centers, so you choose the day. Booking, fees and the fee waiver are in our DAT registration guide.
Practice an interview question about pressure
Once your score is in, dental school interviews follow. A long, timed exam is a fair story for questions about working under pressure, if you say what you did.
“Tell me about a time you had to perform under pressure.”
Dental school interviewers ask it because the clinic runs on time. A long exam day is a fair example if you say what you did, not just that you got through it.
Example answer written by Confetto (the applicant is invented)
The DAT was the longest morning of my life, and I planned for it like a shift. I took three full-length practice tests on Saturday mornings at the same start time as my real appointment, so I knew my focus dipped in the last 20 minutes of Perceptual Ability.
On test day I used the scheduled break to eat and reset, and in Reading Comprehension I gave each passage about 20 minutes and moved on when the clock said so. I finished every section with a minute or two to spare. Clinic days will be longer than that, and I know now how I hold up.
Sources: the ADA's 2026 DAT Candidate Guide (updated August 4, 2026), the ADA's DAT page and ADEA's DAT FAQ, linked throughout and checked as of November 1, 2026. Seconds per question, per-passage and per-subtest minutes and the test-day clock are our own math.
Frequently asked questions
How long is the DAT?
5 hours 15 minutes, per the ADA's 2026 DAT Candidate Guide. That includes a 15-minute tutorial, a 30-minute break and a 15-minute survey, all optional. The four timed sections take 4 hours 15 minutes. See the Candidate Guide.
How many questions are on the DAT?
280 in all (our sum of the ADA's section counts): 100 in Survey of the Natural Sciences, 90 in Perceptual Ability, 50 in Reading Comprehension, 40 in Quantitative Reasoning. Some are unscored test questions, and they look the same as the rest. See the ADA's specifications.
Is there a break during the DAT?
One scheduled 30-minute break, after Perceptual Ability. It's optional, and the test starts again on its own after 30 minutes. A break at any other time is unscheduled, and you can't use your phone, notes or locker food during it. Read the break rules.
How long do DAT scores take?
Three to four weeks. The ADA reports results to your schools and your DENTPIN account in that window, and there is no unofficial score at the test center. See DAT dates and score timing.
Can you skip the DAT tutorial?
Yes. The ADA lists the 15-minute tutorial at the start as optional, along with the break and the closing survey. To rehearse the center itself, Prometric's paid Test Drive walks you through check-in and a generic 15-minute sample test. See the ADA's schedule.