Convert Lux to Foot-candle
Use this free converter to change lux (lx) into foot-candles (fc). Lux and foot-candle both measure illuminance. As a quick reference, 1 lx equals 0.09290304 fc, and 1 fc equals 10.76391 lx.
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Foot-candle (fc)
0.09290304
1 lx = 0.09290304 fc
Illuminance conversion table
| Lux | Foot-candle |
|---|---|
| 0.01 | 0.0009290304 |
| 0.1 | 0.009290304 |
| 0.5 | 0.04645152 |
| 1 | 0.09290304 |
| 2 | 0.18580608 |
| 3 | 0.27870912 |
| 5 | 0.4645152 |
| 10 | 0.9290304 |
| 20 | 1.8580608 |
| 25 | 2.322576 |
| 50 | 4.645152 |
| 100 | 9.290304 |
| 1,000 | 92.90304 |
How to convert Lux to Foot-candle
Multiply the lux value by 0.09290304 to get foot-candles.
- Enter the number of lux you want to convert.
- The converter instantly shows the equivalent value in foot-candles.
- Worked example: 15 lx × 0.09290304 = 1.3935456 fc.
- Use the swap button to reverse the conversion (foot-candle to lux).
About these units
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.
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.
Frequently asked questions
How many foot-candles are in a lux?
There are 0.09290304 fc in 1 lx. To convert, multiply the number of lux by 0.09290304.
How do I convert lux to foot-candles?
Multiply the lux value by 0.09290304 to get foot-candles. For example, 10 lx = 0.9290304 fc.
Is this lux-to-foot-candle 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 Lux to other illuminance units
| Unit | 1 Lux equals |
|---|---|
| Millilux (mlx) | 1000 mlx |
| Kilolux (klx) | 0.001 klx |
| Foot-candle (fc) | 0.09290304 fc |
| Phot (ph) | 0.0001 ph |
| Nox (nx) | 1000 nx |