The speed of light is close to 300000 kms 186300 miles per second. V c where. To c alculate the time dilation enter a percentage of the speed of light c and press the button to continue.
There is no formula for calculating the speed of light.
The speed of light is now a universal constant. X 675 x 10 14 s 1 300 x 10 10 cm s 1 x 444 x 10 5 cm. Speed of light The velocity of the light in the vacuum is The speed of light c 299792458 ms 3 108 ms The velocity of light can be expressed in terms of mph or kms. This means a three with eight zeros behind it ie.