Stopwatch
Free online stopwatch with start, stop, lap and reset. Free, fast and private.
00:00.00
No laps yet.
How to use Stopwatch
- Click Start to begin timing.
- Click Lap to record a split time without stopping.
- Click Stop to pause, and Reset to start over.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
How accurate is this stopwatch?
It displays hundredths of a second (centiseconds) and updates every 10 milliseconds in your browser.
Can I record lap times?
Yes. Click Lap while the stopwatch is running to record a split without stopping it.
Does it keep running if I switch tabs?
Yes, the timer keeps counting in the background, though the display may update less often in an inactive tab.
Is it free?
Yes, it is 100% free with no sign-up.