How to Use
- 1
Click Start to begin timing.
- 2
Click Lap to record a split time without stopping the stopwatch.
- 3
Click Pause to freeze the time. Click Reset to clear everything and start over.
Frequently Asked Questions
Does the stopwatch work in the background? ▼
Yes. The stopwatch continues running if you switch tabs. The page title updates with the current time so you can monitor it from the tab bar.
How accurate is the timing? ▼
The stopwatch uses JavaScript setInterval with 10ms updates, providing centisecond precision. It is accurate enough for most practical timing purposes.