Stopwatch ⏱️
A free, precise online stopwatch with millisecond accuracy. Choose your display precision, set an optional goal time with an alert, save your times and keep the screen awake. It keeps exact time even in a background tab.
Ready
00Hours
:
00Minutes
:
00Seconds
.00
Space Start / Pause S Save R Reset
Seconds0.00
Minutes0.000
Hours0.0000
Display precision
Goal alert (optional)
Set a target time. The ring tracks your progress and the stopwatch alerts you when you reach it.
No goal set.
Saved times
Name your next saved time (optional), then press Save time. Saved times stay in this browser.
No saved times yet.