Use this free online stopwatch for workouts, study sessions, experiments and everything worth timing. Record unlimited laps with hundredth-second precision.
Space start / pause · L lap · R reset
Whether you are pacing a run, timing a presentation or testing how long a task takes, this stopwatch gives you a clear answer without downloads or signup.
The high-resolution clock keeps elapsed time precise, even when you briefly switch to another browser tab.
Record unlimited splits and instantly spot your fastest, slowest and average lap times.
Use the large touch-friendly buttons or keyboard shortcuts to start, pause, lap and reset.
It uses your browser’s high-resolution performance clock and displays hundredths of a second. It is ideal for everyday timing, exercise, learning and productivity.
Select Lap while the stopwatch is running. Each split shows the time since your previous lap alongside the total elapsed time.
Yes. The stopwatch calculates elapsed time from the clock rather than counting screen updates, so switching tabs does not make it lose time.
Yes. Press Space to start or pause, L to record a lap, and R to reset the stopwatch.
Yes. It is free with no account required, and your timing data stays in your browser.
Keep your momentum going with another simple, focused browser tool.