How to Use the Online Stopwatch
A precision tool for timing any activity, from sports to study sessions.
- 1. Start/Stop: Press the "Start" button to begin timing. The button will turn into a "Stop" button, which you can press to pause the timer. Press it again to resume from where you left off.
- 2. Lap: While the stopwatch is running, press the "Lap" button to record the current time as a split time in the list below. The main timer will continue running without interruption. This is perfect for timing laps in a race or intervals in a workout.
- 3. Reset: After stopping the timer, the "Reset" button becomes active. Press it to clear the main time and all recorded laps, returning the stopwatch to zero.
Frequently Asked Questions
How accurate is this stopwatch?
Our online stopwatch is as accurate as the clock in your web browser. The display updates every 10 milliseconds for high precision. However, its accuracy can be slightly affected by your computer's performance and the browser's processing load.
What is the difference between a lap and a split time?
In the context of this tool, they are used interchangeably. When you press the "Lap" button, it records the "split time," which is the total elapsed time from the moment you started the timer to the moment you pressed the lap button. Each lap time is independent of the others.
Can I use this for studying or workouts?
Absolutely. The stopwatch is an excellent tool for study methods like the Pomodoro Technique (timing work intervals) or for tracking time during workouts, such as the duration of a set or a rest period. The lap function is particularly useful for timing multiple intervals without stopping the main clock.
