Online Stopwatch
Free online stopwatch with lap tracking. Accurate to milliseconds. Start, stop, and reset.
How to use: Click Start to begin timing, Lap to record splits, Reset to clear.
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Online Stopwatch with Laps
A precise online stopwatch with lap tracking. Click Start to begin timing, Lap to record splits, and Stop to pause. All timing runs locally in your browser.
Frequently Asked Questions
- How accurate is this stopwatch?
- It uses requestAnimationFrame for smooth updates. Display accuracy is to the millisecond, limited only by your browser's timer resolution.
- Can I track laps?
- Yes. Click the Lap button while the stopwatch is running to record split times. All laps are displayed in a list.