Measurement unit conversion: petacandela

›› Measurement unit: petacandela

Full name: petacandela

Plural form: petacandelas

Symbol: Pcd

Category type: luminous intensity

Scale factor: 1.0E+15

›› SI unit: candela

The SI base unit for luminous intensity is the candela.
1 candela is equal to 1.0E-15 petacandela.

Valid units must be of the luminous intensity type.
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›› Definition: Petacandela

The SI prefix "peta" represents a factor of 10¹⁵, or in scientific notation, 1E15.

So 1 petacandela = 10¹⁵ candelas.

The definition of a candela is as follows:

The candela (symbol: cd) is the SI base unit of luminous intensity. It is the power emitted by a light source in a particular direction, weighted by the luminosity function. A common candle emits light with a luminous intensity of roughly one candela. The candela is officially defined as the luminous intensity of a source that emits monochromatic radiation of frequency 540×10¹² hertz and that has a radiant intensity of 1/683 watt per steradian.

›› Sample conversions: petacandela

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