Convert Foot-candle to Nox
Type the number of foot-candles that you wish to convert to nox.
How to Convert Foot-candles to Nox
The foot-candle and nox are both units of illuminance. 1 foot-candle equals 10763.910417 nox. This means to convert foot-candles to nox, you multiply by 10763.910417.
Formula
Step-by-Step Example
Convert 5 fc to nox:
We need to convert foot-candles to nox
Since 1 fc = 10763.910417 nx, multiply by 10763.910417
5 × 10763.910417 = 53819.552085
5 fc = 53819.552085 nx
Foot-candle to Nox Conversion Table
Quick reference table for common foot-candle to nox conversions. Click any value for detailed calculation.
| Foot-candles (fc) | Nox (nx) |
|---|---|
| 0.1 fc | 1076.3910417 nx |
| 0.5 fc | 5381.9552085 nx |
| 1 fc | 10763.910417 nx |
| 2 fc | 21527.820834 nx |
| 5 fc | 53819.552085 nx |
| 10 fc | 107639.10417 nx |
| 25 fc | 269097.76043 nx |
| 50 fc | 538195.52085 nx |
| 100 fc | 1076391.0417 nx |
About These Units
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.
Nox (nx)
The nox (nx) equals 1 millilux (0.001 lux). Used in scotopic (low-light) vision research, astronomy, and light pollution studies. Full moon: 100-300 nox. Starlight: 0.1-1 nox. Quarter moon: 10-50 nox. Measures illumination at the threshold of human vision.
Frequently Asked Questions
How do I convert foot-candles to nox?
To convert foot-candles to nox, multiply the value by 10763.910417. For example, 10 fc = 107639.10417 nx.
How many nox are in 1 foot-candle?
1 foot-candle equals 10763.910417 nox.
What is the formula for foot-candles to nox?
The formula is: nx = fc × 10763.910417.