Convert Foot-candle to Lux
Use this free converter to change foot-candles (fc) into lux (lx). Foot-candle and lux both measure illuminance. As a quick reference, 1 fc equals 10.76391 lx, and 1 lx equals 0.09290304 fc.
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Lux (lx)
10.76391
1 fc = 10.76391 lx
Illuminance conversion table
| Foot-candle | Lux |
|---|---|
| 0.01 | 0.1076391 |
| 0.1 | 1.076391 |
| 0.5 | 5.3819552 |
| 1 | 10.76391 |
| 2 | 21.527821 |
| 3 | 32.291731 |
| 5 | 53.819552 |
| 10 | 107.6391 |
| 20 | 215.27821 |
| 25 | 269.09776 |
| 50 | 538.19552 |
| 100 | 1076.391 |
| 1,000 | 10763.91 |
How to convert Foot-candle to Lux
Multiply the foot-candle value by 10.76391 to get lux.
- Enter the number of foot-candles you want to convert.
- The converter instantly shows the equivalent value in lux.
- Worked example: 15 fc × 10.76391 = 161.45866 lx.
- Use the swap button to reverse the conversion (lux to foot-candle).
About these units
Foot-candle (fc)
- Definition
- A foot-candle (fc) is the illuminance produced by one lumen per square foot, equal to about 10.764 lux.
- History
- It originated in the era before the metric system and takes its name from the illuminance one foot from a standard candle.
- Current use
- Foot-candles remain the standard lighting unit in the United States for architectural and stage-lighting specifications.
Lux (lx)
- Definition
- The lux (lx) is the SI unit of illuminance, equal to one lumen per square meter — a measure of how much light falls on a surface.
- History
- It was adopted as an SI unit in 1960, derived from the lumen and the meter.
- Current use
- Lux is used in lighting design, photography, agriculture (grow-light intensity), and workplace health and safety standards.
Frequently asked questions
How many lux are in a foot-candle?
There are 10.76391 lx in 1 fc. To convert, multiply the number of foot-candles by 10.76391.
How do I convert foot-candles to lux?
Multiply the foot-candle value by 10.76391 to get lux. For example, 10 fc = 107.6391 lx.
Is this foot-candle-to-lux converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Foot-candle to other illuminance units
| Unit | 1 Foot-candle equals |
|---|---|
| Lux (lx) | 10.76391 lx |
| Millilux (mlx) | 10763.91 mlx |
| Kilolux (klx) | 0.01076391 klx |
| Phot (ph) | 0.001076391 ph |
| Nox (nx) | 10763.91 nx |