Elapsed
00:00:00
Ready, 00:00:00
Space starts or pauses · R resets
- Milliseconds10⁻³ s
000
- Microseconds10⁻⁶ s
000 000
- Nanoseconds10⁻⁹ s
000 000 000
Display precision
Note: elapsed time is genuinely measured by the browser clock down to roughly the millisecond. Finer digits are live-interpolated between clock ticks for display — they are not scientifically measured picoseconds, femtoseconds or attoseconds.