Example: To convert 5 kilometer per second to velocity of light in vacuum, multiply 5 by 0.0000033356409519815205 to get 1.6678e-5 c (1.6678e-5 c).
| km/s | c |
|---|---|
| 11 km/s | 3.6692e-5 c (3.6692e-5 c) |
| 12 km/s | 4.0028e-5 c (4.0028e-5 c) |
| 13 km/s | 4.3363e-5 c (4.3363e-5 c) |
| 14 km/s | 4.6699e-5 c (4.6699e-5 c) |
| 15 km/s | 5.0035e-5 c (5.0035e-5 c) |
| 16 km/s | 5.3370e-5 c (5.3370e-5 c) |
| 17 km/s | 5.6706e-5 c (5.6706e-5 c) |
| 18 km/s | 6.0042e-5 c (6.0042e-5 c) |
| 19 km/s | 6.3377e-5 c (6.3377e-5 c) |
| 20 km/s | 6.6713e-5 c (6.6713e-5 c) |
| 21 km/s | 7.0048e-5 c (7.0048e-5 c) |
| 22 km/s | 7.3384e-5 c (7.3384e-5 c) |
| 23 km/s | 7.6720e-5 c (7.6720e-5 c) |
| 24 km/s | 8.0055e-5 c (8.0055e-5 c) |
| 25 km/s | 8.3391e-5 c (8.3391e-5 c) |