›› SI base quantity: luminous intensity

This category of measurement units is defined by the "luminous intensity" type, which is an SI base quantity.


›› SI unit: candela

The SI base unit for luminous intensity is the candela.


›› Convert candela to another unit

Convert candela to  

I'm feeling lucky, show me some random units


›› Convert between two luminous intensity units

Convert to  


›› Definition: Candela

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 5401012 hertz and that has a radiant intensity of 1/683 watt per steradian.


›› Luminous intensity units

bougie decimal
candela
candle [Germany]
candle [international]
candle [new]
candlepower
candlepower [old]
carcel unit
decimal candle
gigacandela
Hefner unit
kilocandela
lumen/steradian
megacandela
microcandela
millicandela
nanocandela
pentane candle
petacandela
picocandela
teracandela
violle