Stopwatch — Measure Elapsed Time
Date & TimeA stopwatch is a browser tool that measures elapsed time from a start moment to now.
What is it
A stopwatch is useful for workouts, presentations, and work sessions when you need to measure how much time has passed. It continuously displays the difference between the current time and the start time.
elapsed time = current time - start time + previous accumulated time
How to use
- 1Press start.
- 2Pause if needed.
- 3Reset to return to zero.
Reference
| Action | Result |
|---|---|
| Start | Counts up from 00:00.0 |
| Pause | Keeps the current elapsed time |
Sources & standards
- MDN Web Docs: Client-side web APIs - MDN Web Docs
FAQ
Does the stopwatch keep running if I close the browser?
No. This stopwatch runs only in the current browser tab.
Is stopwatch data sent to a server?
No. This tool runs in your browser and does not send data to a server.