Free tool
Online Stopwatch
A precise stopwatch with lap times, best and worst laps, keyboard shortcuts and full-screen mode.
00:00.00
| Lap | Lap time | Total |
|---|
Keyboard: Space start/stop · L lap · R reset.
About the stopwatch
The stopwatch measures time with your device’s high-resolution clock and shows hundredths of a second. Lap times show each split, with the fastest lap in green and the slowest in red. It keeps running accurately even if you switch tabs.
Frequently asked questions
How accurate is the online stopwatch?
It uses the browser’s high-resolution timer, which is accurate to well under a millisecond; the display updates every 1/100 second.
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