How precise is the online stopwatch?
The display measures elapsed time to one tenth of a second, which is suitable for everyday timing.
MEASURE ELAPSED TIME
Online Stopwatch
Measure elapsed time in your browser to one tenth of a second. Start, pause, reset, and record up to five recent lap times.
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Track elapsed time and laps
The ClockStash stopwatch is useful for workouts, study sessions, presentations, games, practice drills, and any activity where you need a quick elapsed-time counter.
Select Lap while the stopwatch is running or paused to save the current time. The five most recent lap readings remain visible until you reset.
Common questions
Can I record lap times?
Yes. The Lap button keeps up to five recent readings beneath the main stopwatch display.