Ultra-precise online stopwatch for sports, training, testing and productivity. Works on all devices, no ads. Start timing in one second – CHRONOS Stopwatch.
Measuring elapsed time to the hundredth of a second.
No laps recorded.
An online stopwatch is a precise time-measuring tool for tracking seconds, minutes, and hours. ONLINETIMER.TOOLS offers a fast, precise online stopwatch for sports, training, testing, and productivity — a centisecond stopwatch with lap recording that runs directly in your browser.
Can I measure long intervals?
Yes, the stopwatch runs for unlimited duration.
Is it accurate?
Yes, it operates in real time with centisecond precision.
Is it good as a sports stopwatch?
Yes. It is a precise stopwatch built for sports, training, and interval measurement.
Does the online stopwatch work without ads or login?
Yes. It is free, ad-free, and works without registration on every device.