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Stopwatch ready. Current time: 00:00.00.
Tasks
0Online Stopwatch with Laps
A precise online stopwatch for tracking elapsed time. Whether you're timing laps, tracking task duration, or measuring experiments, this tool delivers millisecond accuracy.
How to Use the Stopwatch
- Start/Stop: Use the buttons or press Spacebar.
- Record Laps: Press Split (or key S) to record a lap time without stopping the clock.
- Analyze: View your full history of split times in the table below the timer.
Why Track Time?
Using a stopwatch isn't just for sports. It's a powerful tool for productivity benchmarking:
- Task Estimation: Time yourself doing routine tasks to improve your future planning. Learn how to estimate better.
- Flow State: See how long you can maintain deep focus before distraction hits.
- Deliberate Practice: Use lap times to measure improvement on repetitive skills. See our practice guide.
Features
- Millisecond Precision: Accurate timing for high-performance needs.
- Split/Lap Table: Shows both cumulative time and individual lap durations (+/-).
- Screen Awake: Prevents your device from sleeping during long timing sessions (if supported).