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Time
Stopwatch
Precision timing with lap support. Space to start/pause, L for lap, R to reset.
00:00:00.00
How the Stopwatch Works
This stopwatch measures elapsed time with millisecond precision. Press Start to begin counting, Lap to record split times without stopping the main timer, and Stop to pause the count.
Formula Used
Elapsed Time = Current Timestamp − Start Timestamp + Accumulated Paused Time
- Current Timestamp
- — the high-resolution system clock value at the current frame
- Start Timestamp
- — the clock value when the stopwatch was started or resumed
- Accumulated Paused Time
- — time elapsed during previous start/stop cycles, added to the current run
Example Calculation
If you start the stopwatch, press Lap at 12.34 seconds, the calculator records 'Lap 1' as 12.34 seconds. The main timer continues counting uninterrupted.