Stopwatch
Free online stopwatch with start, stop, reset, and lap time functions. Precise millisecond timing for sports, cooking, productivity and more.
Frequently Asked Questions
How accurate is this stopwatch?
This stopwatch displays time to the millisecond using your browser's high-precision timing functions. While accuracy depends on your device, it's suitable for most timing needs.
What is a lap time?
A lap time records the elapsed time at a specific moment without stopping the main stopwatch. This is useful for tracking multiple segments or laps in sports, racing, or interval training.
Can I use this stopwatch offline?
Yes! Once the page is loaded, the stopwatch works entirely offline. All timing functions run in your browser without needing an internet connection.
Does this work on mobile devices?
Yes, the stopwatch is fully responsive and works on smartphones and tablets. The touch-friendly buttons make it easy to start, stop, and record lap times on any device.