Stopwatch
Start, stop and record lap times. Fastest lap in green, slowest in red.
🔒 Runs entirely in your browser — precise lap timing to the hundredth of a second. Free, no sign-up.
About the Stopwatch
The online stopwatch measures elapsed time with centisecond precision. Record multiple lap times and the fastest lap is highlighted in green.
How to use the Stopwatch
Frequently Asked Questions
How to Use This Online Stopwatch
This free online stopwatch works directly in your browser — no app download, no sign-up, no cost. Tap Start to begin timing, Lap to record a split time without stopping, and Stop to pause. Tap Reset to clear all times.
When to use a stopwatch
- Sports training: Time 400m sprint intervals, rest periods between sets, or race pace during training runs.
- Cooking: Time pasta, eggs, or anything that needs precise timing without relying on a kitchen timer.
- Presentations: Practise speeches or presentations to hit your allotted time.
- Meetings: Keep agenda items to time so your team finishes on schedule.
- Games: Fair timing for quiz answers, board game turns, or speed challenges.
Lap times explained
Each lap records the elapsed time at that point — useful for interval training where you want to compare splits. The running total stays visible so you always know both your current lap time and the overall elapsed time.