Units of luminous intensity (source code)

= Units of luminous intensity
{wiki=Category:Units_of_luminous_intensity}

The unit of luminous intensity is the candela (symbol: cd). The candela is one of the seven base units in the International System of Units (SI). It is defined as the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 × 10^12 hertz and has a radiant intensity in that direction of \\( \\frac\{1\}\{683\} \\) watts per steradian.