clight

Speed of light.

Syntax
value = clight
Description

clight returns the value of the vacuum speed of light in SI units (meters/second) in value.

Reference

The value is taken from the 2018 CODATA collection of recommended values.

See also

amu, angstrom, avogadro, barn, bmagn, bohrrad, boltzm, echarge, emass, eps0, evolt, faraday, gammae, gfree, hartree, hbar, molgas, mu0, nmagn, nmass, planck, pmass, rydberg