Time Tools
Online Stopwatch
A free online stopwatch that counts up to the hundredth of a second. Start and stop it, record lap times and reset — perfect for workouts, study sessions and timing anything.
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Frequently asked questions
Can I record lap times?
Yes. While the stopwatch is running, press Lap to record a split. Each lap shows both the time since the previous lap and the total elapsed time.
How accurate is the stopwatch?
It measures elapsed time from your device's clock and displays it to the hundredth of a second, so it's accurate for workouts, cooking, study sessions and similar everyday timing.