Online Stopwatch
Free online stopwatch accurate to 1/100 second, with lap times, fastest and slowest laps highlighted, and keyboard shortcuts.
Runs in your browser. Your files and text never leave your device.
00:00.00
Keyboard: Space start/pause · L lap · R reset
Online stopwatch with laps
Time runs, workouts, presentations or experiments to the hundredth of a second. Press Lap to record splits; the fastest lap shows in green and the slowest in red. Copy the lap list into a spreadsheet when you are done.
Frequently asked questions
How accurate is it?
It uses your device's high-resolution clock, accurate to a hundredth of a second on screen.
Are there keyboard shortcuts?
Space starts and pauses, L records a lap and R resets.