Free Online Stopwatch

Full-Screen Stopwatch
00:00.00
Tap time to Start/Pause • Space = Start/Pause • L = Lap • R = Reset

Use our free online stopwatch for timing events, workouts, or experiments. Simple, accurate, full-screen mode, lap times, and mobile-friendly.

How to Use the Stopwatch

The CalculatorDirectory.com Stopwatch is a free, easy-to-use timing tool designed for speed, accuracy, and convenience. Whether you’re tracking race times, workout intervals, classroom activities, or lab experiments, our stopwatch works perfectly on any device. With features like lap timing, full-screen mode, and touch-friendly controls, you get professional-level timing without downloading anything.

  1. Press Start to begin timing.
  2. Tap Lap to record split times during the run.
  3. Pause anytime and resume without losing data.
  4. Reset to clear times and start fresh.
  5. Optional: Export lap data as CSV for saving or sharing.

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