SI Digital Framework
SI REFERENCE POINT
Version: 1.0 Beta , last update: 2024-11-27

speed of light

Back to list
Constant speed of light
Numerical value 299 792 458
SI Unit $$\text{m}^{}\ \ \text{s}^{-1}\ \ $$
Symbol $c$
Last Update 1975-06-03
www.bipm.org