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Stopwatch
A simple online stopwatch with laps.
Time00:00.00
Laps
About
A simple stopwatch with lap tracking, accurate to the millisecond, running entirely in your browser.
Measure elapsed time directly in your browser with a simple online stopwatch. Start, pause, reset, and record laps without installing an app or creating an account. The running time also stays visible in the browser tab so you can keep another page open while timing.
What you can do
- Displays elapsed time to hundredths of a second.
- Records lap times while the stopwatch is running.
- Keeps timing locally in the browser with no account or upload.
Common uses
- Time a workout set, run, speech, or presentation rehearsal.
- Record split times during a practical experiment or task.
- Use a stopwatch temporarily when you do not have a physical timer nearby.
Frequently asked questions
Can I record laps?
Yes. Press Lap while the stopwatch is running to add the current elapsed time to the lap list.
Will it keep counting if I change tabs?
Yes. The display is recalculated from the elapsed clock when the browser gives the page another animation frame.