Stopwatch & Alarms
Lap Timer
Record lap times and copy them as CSV.
How to use the lap timer
- Press Start or the Space key.
- Press Lap (L) to record split times.
- Press Reset (R) to clear, or copy laps as CSV.
Tap Lap at each checkpoint. Lap and total times are listed newest first and can be copied into a spreadsheet.
Tips
Use laps to compare repeated efforts, such as practice runs or student presentations, without stopping the clock. Copy the laps as CSV to paste them into a spreadsheet.
Frequently asked questions
How precise is the stopwatch?
It shows milliseconds and is computed from timestamps, so display delays do not cause drift.