Stop Watch

Online stopwatch. Free stopwatch & lap timer.

00 Hours
00 Minuets
00 Seconds
00 Millisecond

Stop Watch

How to Use the Online Stopwatch

  1. Start Timing: Click the Start button to begin the count. Our high-precision clock tracks time down to the millisecond.
  2. Record Laps: While the timer is running, use the Lap button to record specific intervals (perfect for track workouts or multi-step tasks). 
  3. Pause & Resume: Use the Stop button to pause the time and Start again to resume without losing your progress.
  4. Reset: Click Reset to clear all data and return the timer to 00:00:00.

Why Use an Online Stopwatch?

A digital stopwatch is more than just a ticking clock; it’s a tool for peak performance. 

  • Fitness & Workouts: Track your rest intervals between sets or time your 5K runs with precision.
  • Productivity (Time Boxing): Use it to see exactly how long a specific work task takes to improve your future time estimates. 
  • Cooking & Baking: Manage complex recipes that require exact timing for various stages.
  • Education: Teachers use it for timed classroom activities and tests to keep students on track.

Frequently Asked Questions

1. How accurate is this online stopwatch?

Our tool uses the high-resolution performance.now() API in your browser, providing accuracy down to a fraction of a millisecond. It remains accurate even if you switch tabs.

2. Does the stopwatch work offline?

Once the page is loaded, the stopwatch logic runs locally in your browser. However, to ensure the timer doesn't "sleep" due to browser power-saving modes, we recommend keeping the tab active.

3. What is the difference between a timer and a stopwatch?

A stopwatch counts UP from zero to measure elapsed time, while a timer counts DOWN from a set time to zero.


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