Planning tool
Online Stopwatch
Run a precise browser stopwatch with pause, reset, and lap times.
Runs in your browser00:00:00.00
How to use this stopwatch
- Press Start when the activity begins, use Lap for intermediate times, and pause only when timing should stop.
- Review the elapsed time and lap history before resetting the stopwatch.
- Record the final time or lap values you need, then reset the stopwatch before timing a new activity.
About this stopwatch
Use the Stopwatch to run a precise browser stopwatch with pause, reset, and lap times. Each control affects a specific part of the result.
You can also use it to record lap times.
Example
Start the timer for a workout and press Lap after each interval while the main clock keeps running.
Common uses
- → time an activity
- → record lap times
- → compare repeated attempts