Quick Answer
How does the stopwatch work?
// Answer
Press Start to begin timing. The stopwatch counts up with hundredth-of-a-second precision. Press Lap to record a split without stopping, and Reset to clear everything. It uses a high-resolution timer so the elapsed time stays accurate.
Why use this tool
Time anything precisely
Great for workouts, cooking, experiments, presentations, and races. Lap times let you compare intervals, and because it runs in your browser there is nothing to install.
FAQ
Frequently asked questions
It tracks time to the hundredth of a second using a high-resolution clock.
Yes. Press Lap while running to capture splits without stopping the clock.
Elapsed time is calculated from timestamps, so it stays accurate even if the tab is backgrounded.
Yes, free and in your browser.
More tools