Stopwatch
A precise stopwatch with lap times.
00:00.00
Measure elapsed time with start/stop, record laps, and reset. Runs in your browser.
使い方
- Click Start.
- Record laps while running.
- Stop or reset when done.
よくある質問
- How precise is it?
- It shows centiseconds and stays accurate using timestamps.
- Are laps saved?
- Laps are kept during your session but not stored.