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Stopwatch

Online stopwatch

Input Parameters

Configure the system requirements below.

00:00:00
.00
System Chronometer Ready
System Chronometer Ready
Instructions & Terms

What is a Stopwatch?

A stopwatch is a precision timing device used to measure elapsed time. It's essential for athletes, students, professionals, and anyone who needs to track time intervals accurately.

How to Use This Tool

Click Start to begin timing. Use Split/Lap to record intermediate times. Click Stop to finish. The tool displays total elapsed time and lap times if recorded.

Common Uses

  • Athletic Training (running, swimming)
  • Cooking and Baking
  • Workout Intervals
  • Productivity Time Tracking
  • Lab Experiments

Stopwatch Features

Our stopwatch includes lap timing, split times, and works accurately even when the tab is in the background. It displays milliseconds for precision.

FAQ

How accurate is the online stopwatch?
Our stopwatch uses JavaScript timing which is accurate to within milliseconds for typical use cases.