Kilometers per Second Converter
Convert kilometers per second (km/s) to other units, with every conversion from 1 km/s listed.
Change the values and press Calculate to work out your own figures.
Enter a speed, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 km/s = 100000 cm/s
- 1 × 100000 = 100000 cm/s
1 km/s in other units
| Conversion | 1 km/s equals |
|---|---|
| Kilometers per Second to centimeters per second | 100,000 cm/s |
| Kilometers per Second to feet per second | 3,280.83989501 ft/s |
| Kilometers per Second to kilometers per hour | 3,600 km/h |
| Kilometers per Second to knots | 1,943.84449244 kn |
| Kilometers per Second to mach | 2.91545189504 Mach |
| Kilometers per Second to meters per second | 1,000 m/s |
| Kilometers per Second to miles per hour | 2,236.93629205 mph |
| Kilometers per Second to speed of light | 3.33564095198 × 10⁻⁶ c |
About the units
- Kilometers per Second (km/s)
- Kilometers per second, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).