Online Stopwatch
Precision stopwatch with laps — accurate to a hundredth of a second. Free online stopwatch with start, stop, reset and lap recording. Millisecond precision using your device clock. Works on any device.
À propos de Online Stopwatch
Time workouts, cooking, study sessions, experiments or customer calls with a stopwatch that records to a hundredth of a second. The lap function logs splits without stopping the clock, and the elapsed time is driven by your device's high-resolution timer — so it stays accurate even if your screen throttles. Big, glanceable digits make it readable from across the room or the running track.
Comment utiliser Online Stopwatch
- Press Start (or the space bar) to begin timing.
- Press Lap to record a split without stopping.
- Press Stop to pause, Start again to resume.
- Use Reset to clear the clock and laps.
Fonctionnalités clés
- Centisecond precision timing
- Unlimited lap recording with split times
- Accurate even with background tab throttling
- Keyboard shortcuts: space to start/stop, L for lap
How accurate is a browser stopwatch?
Do laps stop the main timer?
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