Convert foot candle to lux
Foot-Candle
The foot-candle (fc) is an imperial unit of illuminance equal to one lumen per square foot, or approximately 10.764 lux. It is still widely used in the United States in architectural and theatrical lighting design. One foot-candle is the illuminance produced by a source of one candela at a distance of one foot.
Lux
The lux (lx) is the SI unit of illuminance, measuring luminous flux per unit area. One lux equals one lumen per square metre. It is used to measure the intensity of light as perceived by the human eye falling on a surface. Typical office lighting is around 300–500 lux, while direct sunlight exceeds 100,000 lux.
Foot-Candle to Lux conversion table
| Foot-Candle | Lux | Lux | Foot-Candle |
|---|---|---|---|
| 1 | 10.7639 | 1 | 0.092903 |
| 2 | 21.5278 | 2 | 0.185806 |
| 3 | 32.2917 | 3 | 0.278709 |
| 5 | 53.8196 | 5 | 0.464515 |
| 10 | 107.639 | 10 | 0.92903 |
| 20 | 215.278 | 20 | 1.85806 |
| 25 | 269.098 | 25 | 2.32258 |
| 50 | 538.196 | 50 | 4.64515 |
| 100 | 1076.39 | 100 | 9.2903 |
| 250 | 2690.98 | 250 | 23.2258 |
| 500 | 5381.96 | 500 | 46.4515 |
| 1000 | 10763.9 | 1000 | 92.903 |
How to convert Foot-Candle to Lux
1 fc = 10.7639 lx. To convert any value, multiply it by 10.7639. For example, 25 fc = 269.098 lx.
Frequently asked questions
- How many lx are there in one fc?
- One fc is equal to 10.7639 lx.
- How do you convert Foot-Candle to Lux?
- Multiply the value in Foot-Candle by 10.7639 to get the result in Lux.
- How much is 25 fc in lx?
- 25 fc is equal to 269.098 lx.
- How do you convert Lux back to Foot-Candle?
- Divide by the same factor: multiply the value in Lux by 0.092903 to get Foot-Candle.