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Stopwatch calculator
A simple online stopwatch with lap times.
Stopwatch Pro
Precision timing for every millisecond
00:00:00
.00
About the Stopwatch calculator
A simple online stopwatch with lap times.
How to use the Stopwatch calculator
- Press Start to begin timing.
- Press Lap to record a split time, Pause to stop and Reset to clear.
Tips
- Keep the browser tab open while timing.
Frequently asked questions
Is a stopwatch accurate?
It is accurate to a fraction of a second, but is limited by your browser and by how quickly you press the buttons.