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Chronometer

00:00:00.00

About the Chronometer

A precise online stopwatch with millisecond accuracy. Track elapsed time for benchmarks, workouts, cooking, or any timed activity.

Start, pause, and reset with keyboard shortcuts. Displays elapsed time with millisecond precision. No server needed — runs entirely locally.

  • Millisecond precision timing
  • Start, pause, and reset controls
  • Keyboard shortcuts for hands-free use
  • Lap times for interval tracking

How to use

  1. Click start or press Space.
  2. Pause and resume as needed.
  3. Reset for the next measurement.