Stopwatch
A precise stopwatch with start, stop, and reset controls. Displays elapsed time with millisecond precision.
How to Use Stopwatch
The Online Stopwatch is a free precision timing tool that tracks elapsed time with millisecond accuracy. Use the start, stop, and reset controls to measure the duration of any activity. Whether you are timing athletic performance, measuring how long a task takes, conducting experiments that require precise timing, practicing speeches or presentations, or tracking workout intervals, this stopwatch provides accurate measurements displayed in a clear, easy-to-read format. The large display shows hours, minutes, seconds, and milliseconds. Works entirely in your browser with no installation required. Simply click start and the stopwatch begins counting immediately.
Step-by-Step Instructions
- Click the start button to begin timing
- Watch the elapsed time display update in real-time with millisecond precision
- Click stop to pause the timer and record the elapsed time
- Click reset to clear the stopwatch and start over
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