Foot-candles to Lux Converter
1 foot-candle ≈ 10.7639104 lux
1 foot-candle equals 10.7639 lux
How to convert foot-candles to lux
Illuminance is luminous flux arriving per surface area: 1 lx = 1 lm/m². Converting lux to lumens requires an area and a model of how the light is distributed.
lx = fc × 10.76391042One foot-candle is 10.76391042 lux, so a single multiplication converts any value.
107.639 lx ≈ 10 × 10.76391042Foot-candles to lux conversion table
Common values in foot-candles, converted to lux.
| Foot-candles (fc) | Lux (lx) |
|---|---|
| 1 | 10.76391 |
| 2 | 21.527821 |
| 3 | 32.291731 |
| 4 | 43.055642 |
| 5 | 53.819552 |
| 10 | 107.6391 |
| 20 | 215.27821 |
| 25 | 269.09776 |
| 50 | 538.19552 |
| 100 | 1,076.391 |
| 250 | 2,690.9776 |
| 500 | 5,381.9552 |
| 1,000 | 10,763.91 |
About these units
foot-candlefc
One lumen per square foot: about 10.764 lux. The US lighting-design unit.
luxlx
The SI unit of illuminance: one lumen per square metre.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.