Frequently Asked Questions

How accurate is this stopwatch?

It measures elapsed time to the hundredth of a second using your browser’s high-precision clock.

What does the Lap button do?

Lap records a split time without stopping the stopwatch, letting you track intervals during a continuous run.

What is Auto-lap?

Auto-lap automatically records a lap at a fixed interval (every 1 or 5 minutes) while the stopwatch is running.

Can I use keyboard shortcuts?

Yes — press Space to start/pause, L to lap, S to stop, and R to reset.

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