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Stopwatch

A precise stopwatch with lap times, right in the browser.

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    About the Stopwatch

    The Online Stopwatch measures time to the hundredth of a second and records lap times as you go — for workouts, cooking, study sessions, speed tests and anything else you need to time. It runs entirely in the browser tab, so there is nothing to install.

    How to use it

    1. Press Start to begin timing.
    2. Press Lap to record a split without stopping the clock.
    3. Press Stop to pause, and Reset to clear the time and laps.

    Frequently asked questions

    How accurate is the online stopwatch?

    It is driven by your device's own clock and displays hundredths of a second, which is more than accurate enough for training, cooking and everyday timing.

    Does the stopwatch keep running if I switch tabs?

    Yes — because it calculates from the clock rather than counting screen updates, the time stays correct even if the tab is in the background. Switching back shows the true elapsed time.

    Can I see all my lap times?

    Yes. Every lap is listed under the clock in order, so you can compare splits after you finish.

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