Online stopwatch
A precise stopwatch with lap times. Use the buttons or the keyboard, and keep every lap for later.
How to use it
- Press Start or Space to begin and again to pause.
- Press Lap or L to record a lap. Each lap shows its time, the total so far and the difference from the lap before.
- Press Split or S to freeze the display while the stopwatch keeps running. Press R to reset when paused.
Keep your results
The fastest and slowest laps are highlighted. Copy all laps to paste into a spreadsheet, or download them as a CSV file.
Good for
- Running laps and swimming lengths.
- Practising a talk or a reading exercise.
- Measuring how long a task really takes.
Questions and answers
Does it keep counting if I close the tab?
Yes. The stopwatch remembers when it started, so the time is right when you come back.