Free Online Stopwatch
A precision stopwatch with lap splits and millisecond accuracy — perfect for workouts, cooking, presentations and experiments.
00:00:00.00
Tip: press Space to start/pause, L for lap, R to reset.
Laps
No laps yet.
How to use
- Click Start (or press Space) to begin timing.
- Press Lap (or L) to record splits without stopping.
- Reset (or R) clears everything. Times are millisecond-accurate.
Frequently asked questions
How accurate is this stopwatch?
Millisecond precision using the browser's high-resolution timer.
Do laps stop the timer?
No — laps record splits while the master clock keeps running.
Does it work offline?
Yes — once the page loads, everything runs locally.
Is the stopwatch free?
Yes — free forever, no app or signup.