About Stopwatch
Online stopwatch with lap timing. Use Space to start or stop and Esc to record a lap or reset.
How it works
Elapsed time is tracked with start, stop and lap controls. Space starts or stops; Esc records a lap or resets when stopped.
How to use
- Start the stopwatch.
- Record laps as needed.
- Stop or reset the timer.
Practical example
Start, record a lap and stop to compare a lap with total elapsed time.
Useful tips
Browser scheduling can affect visual updates. Keep the page open while timing.