Stopwatch & Timer

Precision stopwatch · Countdown timer · Lap times

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❓ Frequently Asked Questions

How accurate is this stopwatch? ▾

This stopwatch uses JavaScript's Date.now() which is accurate to ~1 millisecond. It updates every 10ms for smooth display.

Can I track lap times? ▾

Yes! Click 'Lap' button while stopwatch is running to record lap times. Each lap shows split time and total elapsed time.