Online Stopwatch

A precise stopwatch with lap recording — perfect for sports, workouts and experiments.

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How to use the stopwatch

Press Start, record splits with Lap, pause anytime and Reset to start over. Times show minutes, seconds and hundredths.

How accurate is it?

It uses the browser's high-resolution timer — accurate to about 1/100th of a second.

Can I record multiple laps?

Yes, unlimited laps with both split and total times.

Does it work with the screen off?

Browsers may throttle background tabs; keep the tab visible for best accuracy.