45 Second Timer

A free online 45-second timer. Perfect for circuit training rest periods and rapid brainstorming sessions.

00:45

Optimizing with a 45-second timer

A 45-second interval is slightly longer than a sprint, making it ideal for deep stretching, circuit training recovery, or rapid-fire brainstorming where you need just a bit more time to think.

Popular use cases

Resting between sets during heavy weightlifting.
Quick brainstorming sessions to generate ideas fast.
Steeping delicate green teas for exactly 45 seconds.

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