Converter group
Light Converters
Illumination Converter
Result
... Lumen per square foot = ... Foot-candle
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Lumen per square foot to Foot-candle Converter
Use this page to convert lumen per square foot values into foot-candle, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 lm/ft^2 = 1 fc
1 fc = 1 lm/ft^2
Example: 500 lm/ft^2 = 500 fc
Lumen per square foot
One lumen per square foot is equal to 1 / ft^2 lux.
History: Lumen per square foot is the dimensional form of the foot-candle.
Current use: Used in US lighting practice and illumination conversions.
Also written as lm/ft^2.
Foot-candle
One foot-candle is equal to one lumen per square foot.
History: Foot-candle is based on one lumen per square foot and became common in US lighting practice.
Current use: Used in US lighting design, building codes, photography, and workplace illumination standards.
Also written as fc.
Lumen per square foot to Foot-candle table
| Lumen per square foot [lm/ft^2] | Foot-candle [fc] |
|---|---|
| 0.01 lm/ft^2 | 0.01 fc |
| 0.1 lm/ft^2 | 0.1 fc |
| 1 lm/ft^2 | 1 fc |
| 2 lm/ft^2 | 2 fc |
| 5 lm/ft^2 | 5 fc |
| 10 lm/ft^2 | 10 fc |
| 20 lm/ft^2 | 20 fc |
| 50 lm/ft^2 | 50 fc |
| 100 lm/ft^2 | 100 fc |
Frequently asked questions
How many Foot-candle (fc) are in one Lumen per square foot (lm/ft^2)?
One Lumen per square foot equals 1 Foot-candle.
How do you convert Lumen per square foot to Foot-candle?
Multiply the Lumen per square foot value by 1 to get the result in Foot-candle.
How do you convert Foot-candle back to Lumen per square foot?
Multiply the Foot-candle value by 1 to get back to Lumen per square foot.
What is 500 Lumen per square foot in Foot-candle?
500 Lumen per square foot equals 500 Foot-candle.