Stopwatch
Stopwatch: Start, pause and reset a precise browser stopwatch with lap times.
Stopwatch
Stopwatch: Select Start to measure elapsed time. Use Lap to record a checkpoint, Pause to stop accumulating time and Resume to continue.
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How to use Stopwatch
Select Start to measure elapsed time. Use Lap to record a checkpoint, Pause to stop accumulating time and Resume to continue.
Example
Start the stopwatch, wait ten seconds, and press Lap to record a 00:10.xx checkpoint.
What to know
The stopwatch uses the browser's monotonic clock while the page is open. Closing or reloading the page resets the session.