📏 Foot-candles to Lux Converter
Convert foot-candles (fc) to lux (lx) instantly, with the formula, a worked example and a conversion table.
Quick answer: 1 foot-candle (fc) = 10.76391 lux (lx). Formula: lx = fc × 10.76391.
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Foot-candles to Lux Converter inputs
Result
Foot-candles to Lux conversion table
| Foot-candles (fc) | Lux (lx) |
|---|---|
| 0.1 fc | 1.076391 lx |
| 0.5 fc | 5.3819552 lx |
| 1 fc | 10.76391 lx |
| 2 fc | 21.527821 lx |
| 3 fc | 32.291731 lx |
| 5 fc | 53.819552 lx |
| 10 fc | 107.6391 lx |
| 20 fc | 215.27821 lx |
| 25 fc | 269.09776 lx |
| 50 fc | 538.19552 lx |
| 100 fc | 1,076.391 lx |
| 1,000 fc | 10,763.91 lx |
Other illuminance conversions
How to convert foot-candles to lux
Multiply the number of foot-candles by 10.76391 to get lux: lx = fc × 10.76391.
Example: 5 fc = 53.819552 lx.
The foot-candle (fc) and the lux (lx) are both units of illuminance. Need the opposite direction? Use the lx to fc converter.
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Metric and imperial units
The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.
Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.
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Frequently asked questions
How many lux are in a foot-candle?
1 foot-candle = 10.76391 lux.
How do I convert foot-candles to lux?
Use the formula lx = fc × 10.76391. For example, 5 fc = 53.819552 lx.
How do I convert lux back to foot-candles?
1 lux = 0.09290304 foot-candles. Use the lx to fc converter linked on this page.
Are these conversions exact?
Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.