Measure elapsed time
Use the stopwatch when you care how long something took rather than counting down toward an end time.
DateTimeHub Tool
Online Stopwatch
Track elapsed time for tasks, practice sessions, experiments, workouts or any activity that needs a simple stopwatch.
Stopwatch
Elapsed time
00:00.000
Useful ways to use this tool
Keep controls simple
Start, pause and reset make it suitable for quick tasks where a complex timer setup would slow you down.
Choose the right timing tool
Switch to countdown timers for deadlines or interval timer for repeated rounds.
Frequently asked questions
When should I use a stopwatch instead of a timer?
Use a stopwatch to measure elapsed time; use a timer when you already know the target duration.
Does the stopwatch require an account?
No. It runs in the browser and is available without sign-in.