Speed of Light to Kilometers per Second Converter
CommonMeters per second, km/h, mph and more.
How to convert Speed of Light to Kilometers per Second
Multiply the speed of light value by 299,792: 1 c = 299,792 km/s. Going the other way, 1 km/s = 3.3356e-6 c, so divide by 299,792 or use the Kilometers per Second to Speed of Light converter.
About these units
Speed of Light (c)
The speed of light in a vacuum is exactly 299,792,458 meters per second. Nothing carrying information can travel faster, and it is used to define the meter.
Speed of Light to Kilometers per Second conversion table
| Speed of Light (c) | Kilometers per Second (km/s) |
|---|---|
| 1 c | 299,792 km/s |
| 2 c | 599,585 km/s |
| 3 c | 899,377 km/s |
| 4 c | 1.1992e+6 km/s |
| 5 c | 1.499e+6 km/s |
| 10 c | 2.9979e+6 km/s |
| 20 c | 5.9958e+6 km/s |
| 25 c | 7.4948e+6 km/s |
| 50 c | 1.499e+7 km/s |
| 100 c | 2.9979e+7 km/s |
| 500 c | 1.499e+8 km/s |
| 1,000 c | 2.9979e+8 km/s |
More speed of light conversions
- Speed of Light to Speed of Sound Air1 c = 874,030 Mach 1
- Speed of Light to Mach Number1 c = 874,030 M
- Speed of Light to Meters per Second1 c = 2.9979e+8 m/s
- Speed of Light to Miles per Hour1 c = 6.7062e+8 mph
- Speed of Light to Centimeters per Second1 c = 2.9979e+10 cm/s
See every unit on the Speed Converter.