Convert Lux to Foot-candles
Enter the number of lux that you want to convert to foot-candles.
How to Convert Lux to Foot-candles
The lux and foot-candle are both units of illuminance. 1 foot-candle equals 10.763910417 lux. This means to convert lux to foot-candles, you divide by 10.763910417.
Formula
Step-by-Step Example
Convert 5 lx to foot-candles:
We need to convert lux to foot-candles
Since 1 fc = 10.763910417 lx, divide by 10.763910417
5 ÷ 10.763910417 = 0.4645152
5 lx = 0.4645152 fc
Lux to Foot-candle Conversion Table
Quick reference table for common lux to foot-candle conversions. Click any value for detailed calculation.
| Lux (lx) | Foot-candles (fc) |
|---|---|
| 1 lx | 0.09290304 fc |
| 2 lx | 0.18580608 fc |
| 5 lx | 0.4645152 fc |
| 10 lx | 0.9290304 fc |
| 15 lx | 1.3935456 fc |
| 20 lx | 1.8580607999 fc |
| 25 lx | 2.3225759999 fc |
| 50 lx | 4.6451519999 fc |
| 100 lx | 9.2903039997 fc |
About These Units
Lux (lx)
The lux (lx) is the SI unit of illuminance, measuring luminous flux per area (lumens per square meter). Typical values: moonlight 0.1 lx, office 300-500 lx, overcast day 1,000 lx, operating room 10,000 lx, direct sunlight 100,000 lx. Used in lighting design, photography, and workplace safety standards.
Foot-candle (fc)
A foot-candle (fc) is the imperial illuminance unit—light from one candela source at one foot distance, equal to 10.764 lux. US lighting standards: office 30-50 fc, retail 50-100 fc, warehouse 10-30 fc. IESNA recommendations use foot-candles. One fc = one lumen per square foot.
Frequently Asked Questions
How do I convert lux to foot-candles?
To convert lux to foot-candles, divide the value by 10.763910417. For example, 10 lx = 0.9290304 fc.
How many foot-candles are in 1 lux?
1 lux equals 0.09290304 foot-candles.
What is the formula for lux to foot-candles?
The formula is: fc = lx ÷ 10.763910417.