Speed is the rate at which an object moves, while velocity is speed with a specified direction. It is measured in meters per second (m/s).
1 ly/yr = 3.6 km/h
1 km/h = 0.278 ly/yr
Example:
Convert 15 Light Year per Year to Kilometer per Hour:
15 ly/yr = 54 km/h
| Light Year per Year | Kilometer per Hour |
|---|---|
| 0.01 ly/yr | 0.036 km/h |
| 0.1 ly/yr | 0.36 km/h |
| 1 ly/yr | 3.6 km/h |
| 2 ly/yr | 7.2 km/h |
| 3 ly/yr | 10.8 km/h |
| 5 ly/yr | 18 km/h |
| 10 ly/yr | 36 km/h |
| 20 ly/yr | 72 km/h |
| 30 ly/yr | 108 km/h |
| 40 ly/yr | 144 km/h |
| 50 ly/yr | 180 km/h |
| 60 ly/yr | 216 km/h |
| 70 ly/yr | 252 km/h |
| 80 ly/yr | 288 km/h |
| 90 ly/yr | 324 km/h |
| 100 ly/yr | 360 km/h |
| 250 ly/yr | 899.999 km/h |
| 500 ly/yr | 1,799.999 km/h |
| 750 ly/yr | 2,699.998 km/h |
| 1000 ly/yr | 3,599.997 km/h |
| 10000 ly/yr | 35,999.971 km/h |
| 100000 ly/yr | 359,999.712 km/h |
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