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⏱️ Stopwatch

A free online stopwatch with lap tracking. Start, pause, and record laps — see your fastest and slowest splits automatically.

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Track elapsed time with lap splits — fastest and slowest laps are highlighted automatically.

About This Tool

This stopwatch tracks elapsed time down to the hundredth of a second, with lap tracking built in — record a lap at any point without stopping the clock, and see each lap's individual split time alongside the running total. Fastest and slowest laps are automatically highlighted once you have more than one, making it easy to spot your best and worst splits at a glance. Pause and resume as needed — elapsed time picks up exactly where you left off.

Common Use Cases

  • Timing workouts, runs, or interval training with lap splits
  • Tracking how long a task or meeting actually takes
  • Timing cooking, study sessions, or any activity that needs precise elapsed time
  • Comparing lap times to spot your fastest and slowest segments

Frequently Asked Questions

How accurate is the stopwatch?

It tracks elapsed time to the hundredth of a second, updated continuously using your browser's animation frame timing for smooth, drift-free accuracy.

Can I record laps without stopping the timer?

Yes — press Lap at any point while running to record a split. The stopwatch keeps running and you can record as many laps as you need.

Does pausing reset my time?

No. Pausing keeps your elapsed time and lap history intact — press Resume to continue from exactly where you paused.

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