Light
The speed of light is 299,792,458 metres per second. An exact definition, not a measurement. Here it travels in real time.
- Travelled
- 0 m
- Elapsed
- 0 s
- The whole journey takes
- 1.28 s
The speed of light is 299,792,458 metres per second. An exact definition, not a measurement. Here it travels in real time.