Online Stopwatch with Laps
Millisecond precision · Space Start/Stop · L Lap · R Reset
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Laps
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Fastest
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Slowest
Millisecond precision · Space Start/Stop · L Lap · R Reset
Our free online stopwatch records lap times with millisecond precision. Press L to record a lap. Visual bars instantly show your fastest and slowest laps.
Download all lap times as a CSV file for Excel, Google Sheets, or any data tool. Perfect for athletes, coaches and scientists who need to analyze timing data.
Space to start and stop, L to record a lap, R to reset. Full hands-free control — ideal for sports timing where you can't look at the keyboard.
Centisecond precision using the browser's high-resolution performance.now() API. Stays accurate even when switching tabs or under system load.