What is the Online Stopwatch?
Our free Online Stopwatch is a precise digital timer designed for speed, accuracy, and ease of use. It tracks time down to the millisecond and includes a built-in lap counter for athletes, students, and professionals.
Perfect for Productivity and Fitness
A stopwatch is incredibly versatile. Use it in the gym to track your rest periods between heavy lifting sets, or use it while studying to implement the Pomodoro Technique (working in focused 25-minute sprints). Because it runs in your browser, it's perfect for projecting onto a large screen during a presentation or classroom test.
Millisecond Precision
Unlike basic clock apps, our stopwatch tracks time down to the millisecond (1/100th of a second). This makes it highly accurate for timing competitive races, speedruns, or precise scientific experiments.
How to use this tool
- Click the large green \"Start\" button to begin the timer.
- While running, click \"Lap\" to record specific split times without stopping the main clock.
- Click \"Stop\" to pause the timer. You can click Start again to resume from where you left off.
- Click \"Reset\" to clear the clock and wipe your lap history.