Stopwatch - Free Online Stopwatch with Lap Timing
Time events, workouts, and more with our free online stopwatch. Accurate to milliseconds.
What Is a Stopwatch?
A stopwatch is a timekeeping device used to measure the amount of time elapsed from a particular time when activated to when the piece is deactivated. Our free online stopwatch is a simple, accurate tool for timing events, tracking workouts, and measuring performance.
How to Use the Stopwatch
- Click "Start" — Begins timing from zero.
- Click "Stop" — Pauses the timer.
- Click "Lap" — Records a split time while the timer continues running.
- Click "Reset" — Stops the timer and resets to zero.
Practical Uses
- Sports & Fitness: Track workout times, running splits, and exercise intervals
- Cooking: Time recipes and cooking processes
- Presentations: Keep track of speaking time
- Games: Time board games, puzzles, and competitions
- Productivity: Time tasks and track focus sessions
Stopwatch Features
- Accuracy: Accurate to 10 milliseconds
- Lap Timing: Record multiple lap times without stopping
- Large Display: Easy-to-read display with hours, minutes, seconds, and hundredths
- Works Offline: No internet connection needed after page loads
Frequently Asked Questions
Is this stopwatch accurate?
Yes, our stopwatch is accurate to 10 milliseconds (0.01 seconds).
Can I use this stopwatch offline?
Yes, once the page loads, the stopwatch works offline without an internet connection.
How many laps can I record?
You can record unlimited laps. They will be displayed in the laps container below the stopwatch.
Is my lap data saved?
Lap data is not saved. Refreshing the page will reset the stopwatch and clear all laps.
Can I use this stopwatch for professional timing?
While our stopwatch is accurate, for professional timing applications, dedicated timing equipment is recommended.