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### Math and Physics Calculators

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# Speed of Light: Calculate distance or time

Speed of light calculator for the distance per time or time per distance.

distance = speed of light * time
s = c * t

 Speed of Light: meters per second, m/s Distance: cm, centimeters ″, inches ′, feet yd, yards m, meters km, kilometers mi, miles AU, astronomical units ly, light years Time: ps, picoseconds ns, nanosseconds μs, microseconds ms, milliseconds s, seconds min, minutes h, hours d, days y, years

Please enter distance or time, the other value will be calculated. One year is counted as 31557600 seconds (365 1/4 days).

Examples: the average distance of the moon from earth is 384400 kilometers. The light takes just under 1.3 seconds to get there.

For one centimeter, light takes 3.3e-11 seconds. These are 0.000000000033 seconds (first digit ≠0 at the 11. decimal place).

The calculators use . and , als decimal separators.

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