Stopwatch

Free online stopwatch — start, stop and reset with lap recording. Millisecond precision for workouts, cooking and study sessions. Browser-based.

Stopwatch is a free online tool that precisely measures time. Features start, stop, and lap time recording with millisecond accuracy. Perfect for exercise, cooking, studying and more. Browser-based processing — completely free with no server upload required.

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How to use Stopwatch?

  1. Click the start button to begin timing.
  2. Use the lap button to record split times.
  3. Click stop to pause and reset to clear.

Frequently asked questions about Stopwatch

Is the time reset when I close the tab?

Yes, closing the browser tab will reset the stopwatch. Keep the tab open during timing.

How many lap times can I record?

There is no limit on lap time recordings. All laps are displayed in a list showing both split and cumulative times.

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