Convert Hefnerkerze to Lumen
Convert hefnerkerzen to lumens by entering a value below.
How to Convert Hefnerkerzen to Lumens
The hefnerkerze and lumen are both units of luminous flux. 1 hefnerkerze equals 10.77 lumens. This means to convert hefnerkerzen to lumens, you multiply by 10.77.
Formula
Step-by-Step Example
Convert 5 HK to lumens:
We need to convert hefnerkerzen to lumens
Since 1 HK = 10.77 lm, multiply by 10.77
5 × 10.77 = 53.85
5 HK = 53.85 lm
Hefnerkerze to Lumen Conversion Table
Quick reference table for common hefnerkerze to lumen conversions. Click any value for detailed calculation.
| Hefnerkerzen (HK) | Lumens (lm) |
|---|---|
| 1 HK | 10.77 lm |
| 2 HK | 21.54 lm |
| 5 HK | 53.85 lm |
| 10 HK | 107.7 lm |
| 15 HK | 161.55 lm |
| 20 HK | 215.4 lm |
| 25 HK | 269.25 lm |
| 50 HK | 538.5 lm |
| 100 HK | 1077 lm |
About These Units
Hefnerkerze (HK)
The Hefnerkerze (HK) is a historical German unit based on the Hefner lamp flame (amyl acetate). One Hefnerkerze ≈ 0.903 international candelas. Mean Spherical HK × 4π ≈ lumens. Used in Germany until mid-20th century; now obsolete.
Lumen (lm)
The lumen (lm) is the SI unit of luminous flux, measuring total visible light output from a source. Common bulb outputs: 40W incandescent ≈ 450 lm, 60W equivalent LED ≈ 800 lm, 100W equivalent ≈ 1,600 lm. Projector: 3,000-10,000 lm. One lumen = one candela × one steradian.
Frequently Asked Questions
How do I convert hefnerkerzen to lumens?
To convert hefnerkerzen to lumens, multiply the value by 10.77. For example, 10 HK = 107.7 lm.
How many lumens are in 1 hefnerkerze?
1 hefnerkerze equals 10.77 lumens.
What is the formula for hefnerkerzen to lumens?
The formula is: lm = HK × 10.77.