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Luminous Intensity Converter
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Luminous Intensity Converter
Convert luminous intensity units such as international candle, German candle, UK candle, Hefner candle, carcel, bougie decimal, and lumen per steradian.
About this converter
Luminous intensity measures visible light emitted in a given direction. It includes candle standards, candle-power forms, carcel, bougie decimal, and lumen per steradian.
The base unit for this converter is candle-international, which lets us map each unit into one consistent formula layer before converting to the target unit.
Quick examples
Available units
Candle (international)
cThe historical international candle luminous intensity unit.
Candle (German)
c (German)Historical German candle luminous intensity unit.
Candle (UK)
c (UK)Historical UK candle luminous intensity unit.
Decimal candle
decimal candleHistorical luminous intensity unit equal to the international candle.
Candle (pentane)
pentane candleHistorical pentane flame luminous intensity unit.
Pentane candle (10 candle power)
pentane candle (10 cp)Ten-candle-power pentane luminous intensity unit.
Hefner candle
HKHistorical luminous intensity unit based on the Hefner lamp.
Carcel unit
carcelHistorical French luminous intensity unit.
Bougie decimal
bougie decimalHistorical luminous intensity unit equal to the international candle.
Lumen per steradian
lm/srLuminous intensity expressed as luminous flux per solid angle.
