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Your everyday time toolkit

Stopwatch

Measure elapsed time, pause when you need to, and record laps along the way.

00:00:00.00

Hours : minutes : seconds

    Keep this tab open. Laps are cumulative elapsed times. Reloading resets the stopwatch.

    From a moment to a milestone

    Start the stopwatch, pause and resume it, or record up to 100 cumulative lap times. Reset clears the elapsed time and lap list. The display shows hours, minutes, seconds, and hundredths of a second.

    How elapsed time is measured

    The stopwatch uses the browser’s monotonic performance clock, so ordinary system-clock adjustments do not change the running measurement. Screen refresh rate and browser precision limits still affect the displayed value. Behavior during device sleep can differ between platforms. Keep the device awake and this tab open; reloading resets the stopwatch.