Online Stopwatch

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About the Online Stopwatch

A simple, accurate online stopwatch with centisecond precision. Start, stop, and reset with a single click or keyboard shortcut. The large display makes it easy to read from any distance.

Perfect For

  • Sports timing - Track running, swimming, cycling, or any athletic activity
  • Cooking - Time recipes, brewing, and food preparation
  • Games - Time turns, rounds, or speed challenges
  • Productivity - Track how long tasks take
  • Education - Time tests, presentations, and activities
  • Exercise - Track workout duration, rest periods, and intervals

How to Use

  1. Click Start or press Space to begin timing
  2. Click Stop or press Space again to pause
  3. Click Reset to clear the timer and start over

Features

  • Centisecond precision (1/100th of a second)
  • Large, easy-to-read display
  • Keyboard shortcuts for quick control
  • Works in any browser, no installation needed
  • Completely free, no sign-up required

Get the iOS App

Multi-Stopwatch iOS App Icon

Multi-Stopwatch for iOS

Get the native Multi-Stopwatch app for iPhone and iPad. Features multiple independent stopwatches, lap timing, and CSV export. Works offline with haptic feedback.

Native iOS app Multiple timers Lap timing Apple Watch
Download on the App Store
Multi-Stopwatch Screenshot 1 Multi-Stopwatch Screenshot 2 Multi-Stopwatch Screenshot 3