How to use the Online Stopwatch
The online stopwatch records time with laps and also works as a countdown timer.
The formula
It counts elapsed time from when you press Start, and each lap shows the time since the previous lap.
Worked example
Press Start, then Lap at 1:05 and 2:12 to see lap times of 1:05 and 1:07.
Tips for better results
- Keep the tab open while timing.
- Use laps for running or workouts.
Common mistakes to avoid
- Closing the page and losing the time.
- Forgetting to reset.
Please note: Results are estimates for general use. For safety-critical work such as electrical or building projects, check with a qualified professional and local codes. See our Disclaimer.