Stopwatch
Precision stopwatch with lap times and split tracking. Millisecond accurate.
00:00.000
Frequently asked questions
How accurate is this stopwatch?
The stopwatch uses the browser's performance.now() API for millisecond precision. It remains accurate even if you switch tabs, though some browsers throttle background timers.
What is the difference between lap time and split?
Lap time shows how long each individual lap took. Split shows the cumulative time from the start to the end of each lap.
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