Unlimited practice exams that mirror the real Open Water Diver final — fresh questions every attempt, instant scoring, and drills for every topic. Walk in confident.
The Open Water Diver final exam is a 50-question test covering the core knowledge every certified diver needs. Our practice engine draws a new set of questions every time you sit down, so you learn the concepts rather than memorizing one answer key — and you can drill any single topic until it clicks.
New to this exam? Read How to Pass the Open Water Diver Exam.
A taste of the style and difficulty. In the app you get a fresh set every time.
Descending from the surface to 10 metres/33 feet in seawater changes the ambient pressure by approximately how much?
Why: Every 10 metres/33 feet of seawater adds about 1 bar/ata, so at 10 metres the total ambient pressure is about 2 bar/ata (1 from the atmosphere, 1 from the water).
If you and your buddy become separated underwater, the general procedure is to:
Why: Look for your buddy for about one minute, then ascend slowly and safely to reunite at the surface.
The final exam has 50 questions, mostly multiple choice, and you need 75% to pass. Our practice exams give you a fresh 50-question set every attempt.
No — these are original practice questions written to mirror the real exam's topics and difficulty. You practice the concepts on unlimited fresh questions instead of memorizing a leaked answer key.
Drill one topic at a time — physics, physiology, equipment, skills, and dive planning — then take full 50-question mock exams. Anything you get wrong collects into a personal missed-questions set so you can focus your review.
Start practicing now — free to try.
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