Stopwatch
Precise online stopwatch with lap timing. Track elapsed time with start, stop, and reset controls. Free, accurate, and always ready when you need it.
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How to Use the Stopwatch
Start
Click the Start button to begin timing. The stopwatch starts counting immediately.
Record Laps
Click Lap to record split times while the stopwatch keeps running.
Stop & Reset
Click Stop to pause, then Reset to clear all times and start fresh.
Why Use Our Stopwatch?
Precise Timing
Accurate to the millisecond for sports, workouts, and experiments.
Lap Tracking
Record unlimited lap times while the main timer keeps running.
Completely Free
No limits, no signup. Use as many times as you need.
Works Everywhere
Use on desktop, tablet, or mobile. No app installation needed.
Frequently Asked Questions
How accurate is the stopwatch?
The stopwatch uses your browser's high-resolution timer and is accurate to the millisecond. It continues running even if you switch tabs.
Can I record lap times?
Yes! Click the Lap button while the stopwatch is running to record split times. All laps are displayed in a list below.
Does it work offline?
Yes, the stopwatch runs entirely in your browser and works without an internet connection.
Can I use keyboard shortcuts?
You can press the Space bar to start/stop and the L key to record a lap when the stopwatch is focused.
Is my data sent anywhere?
No. Everything runs locally in your browser. No timing data is ever sent to any server.