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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

1 c to c (German)0.95 c (German)
1 c to c (UK)0.96 c (UK)
1 c (German) to c1.05263157894737 c
1 c (German) to c (UK)1.01052631578947 c (UK)
1 c (UK) to c1.04166666666667 c
1 c (UK) to c (German)0.989583333333333 c (German)
1 decimal candle to c1 c
1 decimal candle to c (German)0.95 c (German)

Available units

Candle (international)

c

The 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 candle

Historical luminous intensity unit equal to the international candle.

Candle (pentane)

pentane candle

Historical pentane flame luminous intensity unit.

Pentane candle (10 candle power)

pentane candle (10 cp)

Ten-candle-power pentane luminous intensity unit.

Hefner candle

HK

Historical luminous intensity unit based on the Hefner lamp.

Carcel unit

carcel

Historical French luminous intensity unit.

Bougie decimal

bougie decimal

Historical luminous intensity unit equal to the international candle.

Lumen per steradian

lm/sr

Luminous intensity expressed as luminous flux per solid angle.

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