For practice, workouts and split times
Online stopwatch
00:00:00.000
Shortcuts: Space start/pause · L lap · R reset
Refreshing clears this session. Download any laps you need first. Timing during device sleep can vary by browser.
Measure elapsed time with millisecond display, lap splits, useful statistics, and keyboard shortcuts.
Reliable elapsed time
Record a lap at the end of each exercise or practice run. Each row shows the lap duration and total elapsed time; best, slowest and average help compare attempts. Download your laps as CSV before refreshing or leaving. Device sleep may pause measurement in some browsers.
Keyboard controls
Press Space to start or pause, L to record a lap, and R to reset while paused. Reset is intentionally unavailable while the stopwatch is running.