Stopwatch & Timer

Online Stopwatch

Our Stopwatch provides precision timing with the following features:

• Centisecond Accuracy: Displays time down to 1/100th of a second for precise measurements.
• Lap/Split Tracking: Record multiple split times during a session. Each lap shows the individual lap duration and cumulative time.
• Start, Pause, Resume, Reset: Full control over your timing session.

Countdown Timer

The Timer mode allows you to set a custom countdown:

• Custom Duration: Set any combination of hours, minutes, and seconds.
• Quick Presets: One-click buttons for common durations (1, 5, 10, 15, 25, 30 minutes).
• Visual Progress Bar: See a real-time visual indicator of elapsed vs. remaining time.
• Time's Up Alert: A clear visual notification when the countdown reaches zero.

Use Cases

• Cooking: Time your recipes precisely.
• Exercise: Track workout intervals and rest periods.
• Studying: Use the 25-minute preset for Pomodoro Technique focus sessions.
• Presentations: Keep track of your speaking time.
• Gaming: Time speedruns and challenges.

Technical Accuracy

This stopwatch uses the browser's requestAnimationFrame API, which synchronizes with the display refresh rate for smooth, jitter-free updates. The actual elapsed time is calculated using Date.now() for high accuracy.