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.

Yes. Click the Lap button while the stopwatch is running to record split times. All laps are displayed in a list.

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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