Online Stopwatch
A free online stopwatch that times anything to a tenth of a second. Start, pause and record laps. It runs in your browser with nothing to install.
How to use the stopwatch
- Press Start to begin timing.
- Press Lap to record a split without stopping.
- Press Start again to pause; press Reset to clear.
Common uses
- Workouts, running and interval training
- Timing experiments or cooking steps
- Games, races and competitions
- Tracking how long a task takes
FAQ
How precise is it?
It displays to a tenth of a second and uses your system clock, so it stays accurate even across tab switches.
Can I record multiple laps?
Yes. Each press of Lap adds a split to the list below the display.