Online stopwatch

A simple stopwatch with laps. Press Start or hit the Space bar.

00:00.00

Keyboard: Space start/stop · L lap · R reset

When to use a stopwatch

  • Timing runs, swims and interval workouts, with a lap for each split
  • Speeches, presentations and practice interviews
  • Cooking, science experiments and board games

Need a countdown instead? Try the online timer or a ready-made 5 minute timer.

Frequently asked questions

How do I use the stopwatch?

Press Start (or the Space bar) to begin timing, Lap (or L) to record a split, and Stop to pause. Reset clears the time and laps.

How accurate is this online stopwatch?

It reads your device clock, so it stays accurate to the hundredth of a second even if you switch tabs.

Can I copy my lap times?

Yes. Press Copy laps to copy every lap and split time as plain text.