Stopwatch
Precision stopwatch with lap times
What is Stopwatch?
Digital Stopwatch provides precision time measurement with lap recording. Measures elapsed time down to centiseconds (1/100th of a second) and stores individual lap times.
When to use this tool
- Timing athletic or fitness performances
- Benchmarking code execution or system operations
- Measuring task completion times
- Recording split times during races or workouts
How it works
Uses performance.now() for high-precision timing (microsecond resolution). Accumulates elapsed time while accounting for pause/resume. Lap times are stored as deltas from the previous lap and from the start.
Examples
About Stopwatch
Precision stopwatch with lap times It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
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Last updated: 2025-01-15
FAQ
Precision stopwatch with lap times
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.