Convert Centimetres per Second to Miles per Second
Convert Centimetres per Second (cm/s) to Miles per Second (mi/s) instantly and accurately.
Conversion Formula
mi/s = cm/s × 6.213711922e-6
About Centimetres per Second
A centimetre per second (cm/s) is 10⁻² m/s - the speed of slow animals, gentle breezes, and lab syringe pumps. Tortoises travel 0.5-1.5 cm/s; the fastest garden snail record is ~1.3 cm/s. A gentle breeze that barely moves leaves is Beaufort 1 ≈ 50-100 cm/s. Drug-delivery syringe pumps run 0.01-10 cm/s. Coarse silt settles in still water at ~0.2 cm/s (Stokes' law). Capacitive touch sensors detect finger motion at 1-10 cm/s. 1 cm/s = 0.01 m/s.
About Miles per Second
A mile per second (mi/s) = exactly 1,609.344 m/s - above the fastest air-breathing aircraft. NASA X-43A scramjet: 2.9 km/s ≈ 1.8 mi/s (Mach 9.6). Earth's orbital speed around the Sun: ~18.5 mi/s (29.8 km/s). Light travels ~186,282 mi/s in vacuum - the classic imperial figure still used in popular astronomy. Tunguska impactor entered Earth's atmosphere at ~9-11 mi/s. 1 mi/s = 3,600 mph = 3,128.3 kn.
Quick Reference Table
| Centimetres per Second (cm/s) | Miles per Second (mi/s) |
|---|---|
| 1 cm/s | 6.214 × 10-6 mi/s |
| 2 cm/s | 1.243 × 10-5 mi/s |
| 5 cm/s | 3.107 × 10-5 mi/s |
| 10 cm/s | 6.214 × 10-5 mi/s |
| 25 cm/s | 0.000155343 mi/s |
| 50 cm/s | 0.000310686 mi/s |
| 100 cm/s | 0.000621371 mi/s |