Convert hefner candle to candela (international)

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Hefner Candle

The Hefner candle (HK, Hefnerkerze) was a German unit of luminous intensity defined by a standard Hefner lamp burning amyl acetate. One Hefner candle equals approximately 0.9 international candelas. It was the standard photometric unit in Germany and some other European countries until the adoption of the international candela. 


Candela (International)

The candela (cd) is the SI base unit of luminous intensity. It is defined as the luminous intensity of a source that emits monochromatic radiation of frequency 540×10¹² hertz with a radiant intensity of 1/683 watt per steradian. One international candle equals one candela. 


Hefner Candle to Candela (International) conversion table
Hefner CandleCandela (International)Candela (International)Hefner Candle
10.911.11111
21.822.22222
32.733.33333
54.555.55556
1091011.1111
20182022.2222
2522.52527.7778
50455055.5556
10090100111.111
250225250277.778
500450500555.556
100090010001111.11
How to convert Hefner Candle to Candela (International)

1 HK = 0.9 cd. To convert any value, multiply it by 0.9. For example, 25 HK = 22.5 cd.

Frequently asked questions
How many cd are there in one HK?
One HK is equal to 0.9 cd.
How do you convert Hefner Candle to Candela (International)?
Multiply the value in Hefner Candle by 0.9 to get the result in Candela (International).
How much is 25 HK in cd?
25 HK is equal to 22.5 cd.
How do you convert Candela (International) back to Hefner Candle?
Divide by the same factor: multiply the value in Candela (International) by 1.11111 to get Hefner Candle.

Most common luminous intensity unit conversions