mile/hour to kilometer/second
Convert mile/hour [mph] to kilometer/second [km/s] and vice versa.
Conversion Formula
Example: 1 mph = 0.000447040 km/s
The conversion uses the following relationship: mile/hour values are converted to the base unit (meter/second), then converted to kilometer/second.
Related Speed Conversions
Quick Reference Table
| mph | km/s |
|---|---|
| 1 | 0.000447040 |
| 5 | 0.00223520 |
| 10 | 0.00447040 |
| 25 | 0.0111760 |
| 50 | 0.0223520 |
| 100 | 0.0447040 |
| 250 | 0.111760 |
| 500 | 0.223520 |
| 1000 | 0.447040 |
All Converters