Stopwatch
Time anything to the millisecond with a simple online stopwatch.
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Stopwatch
A simple stopwatch that runs in your browser, showing elapsed time down to the millisecond. Start it, stop it and read the result.
How to use Stop Watch
- Click Start to begin timing.
- Click Stop to freeze the time.
- Use Reset to return to zero.
When it comes in handy
- Timing runs, laps and workouts.
- Measuring how long a task takes.
- Running quick experiments and demonstrations.
Frequently asked questions
How accurate is it?
It is accurate enough for everyday timing. Browser timers can be slightly off on busy devices, so it is not a substitute for professional timing equipment.
Can I continue after stopping?
Yes. Click Start again to continue from where you stopped.
