Use this free, accurate foot-candle to lux calculator to convert between Foot-candle (fc) and Lux (lx). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
10.76391042 Lux
1 fc is equal to 10.76391 lx.
lx = fc × 10.76391042
illuminance Converters
To convert from Foot-candle to Lux, multiply the value in Foot-candle by 10.76391 (or use the formula: lx = fc × 10.76391).
Take your initial measurement in Foot-candle (fc). For instance, let's convert 1 fc.
Multiply by the standard conversion factor (10.76391).
The final converted measurement equals 10.76391 Lux (lx).
Compare standard reference values and common conversion benchmarks.
| Foot-candle (fc) | Lux (lx) | Action |
|---|---|---|
| 1 fc | 10.76391 lx | |
| 2 fc | 21.52782 lx | |
| 3 fc | 32.29173 lx | |
| 5 fc | 53.81955 lx | |
| 10 fc | 107.6391 lx | |
| 15 fc | 161.45866 lx | |
| 20 fc | 215.27821 lx | |
| 25 fc | 269.09776 lx | |
| 50 fc | 538.19552 lx | |
| 75 fc | 807.29328 lx | |
| 100 fc | 1076.39104 lx | |
| 250 fc | 2690.9776 lx | |
| 500 fc | 5381.95521 lx | |
| 1000 fc | 10763.91042 lx |
Official standards, measurement systems, and real-world everyday applications.
A US customary unit of illuminance equal to one lumen per square foot (approx. 10.764 lux).
Common Practical Uses
The SI unit of illuminance, equal to one lumen per square meter.
Common Practical Uses
Calculate from Lux (lx) back to Foot-candle (fc).
Frequently used unit conversions in this category:
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There are 10.76391 lux in 1 foot-candles. Exactly 1 fc is equal to 10.76391 lx.
The conversion formula is: Lux = lx = fc × 10.76391042. Applying this to 1 fc gives: 1 × 10.76391 = 10.76391 lx.
To convert in reverse from lux to foot-candles, multiply by the inverse factor: 1 lx = 0.092903 fc. Alternatively, divide your Lux amount by 10.76391.
For a fast mental approximation, multiply your starting Foot-candle number by 11.
Foot-candle (fc) belongs to the US Customary / Imperial system, commonly used in US lighting codes, Commercial architecture, Stage lighting. In comparison, Lux (lx) is part of the Metric (SI) system, frequently applied in Office lighting standards, Photography light meters, Architecture.
Key milestones include: 1 fc = 10.76391 lx, 5 fc = 53.8196 lx, 10 fc = 107.6391 lx, 50 fc = 538.1955 lx, and 100 fc = 1076.391 lx.