Stopwatch
Start, pause and reset an accurate browser stopwatch.
Result—
Enter values above.
Not intended for certified timing.
Start, pause and reset an accurate browser stopwatch.
Continue with a related tool.
Content reviewed: 24 September 2026
Start, pause and reset an accurate browser stopwatch. Use the controls above to enter the values or text required by this specific tool, then review the result together with the method and limitations shown on the page.
Start, pause and reset without reloading the page.
Not intended for certified timing.
For information about calculation checks, browser-side processing and external services, see Methodology & Accuracy.