Illuminance
Lux to Foot-candle Converter
Convert Lux to Foot-candle with the exact formula, a worked example and a quick conversion table.
Smart input
β
Quick values:
Conversion formula
The exact formula applied:
β
Conversion formula
fc = lx Γ· 10.7639104167
lx = fc Γ 10.7639104167
Worked example
50 lx = 4.64515 fc
fc = lx Γ· 10.7639104167
Illuminance is in lux (lumen/mΒ²); the foot-candle is used in US practice (1 fc = 10.764 lux).
Quick conversion table
| Lux (lx) | Foot-candle (fc) |
|---|---|
| 1 | 0.092903 |
| 2 | 0.1858061 |
| 5 | 0.4645152 |
| 10 | 0.9290304 |
| 25 | 2.32258 |
| 50 | 4.64515 |
| 100 | 9.2903 |
| 250 | 23.22576 |
| 500 | 46.45152 |
| 1,000 | 92.90304 |
Reverse conversion table
| Foot-candle (fc) | Lux (lx) |
|---|---|
| 1 | 10.76391 |
| 2 | 21.52782 |
| 5 | 53.81955 |
| 10 | 107.6391 |
| 25 | 269.09776 |
| 50 | 538.19552 |
| 100 | 1,076.39 |
| 250 | 2,690.98 |
| 500 | 5,381.96 |
| 1,000 | 10,763.91 |
About the two units
lxLux
One lumen per square metre.
1 lx = 1 lx
SI Derived Unit Illuminance
fcFoot-candle
One lumen per square foot = 10.764 lux.
1 fc = 10.7639104167 lx
Non-SI Unit Illuminance
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