Foot Candles to Lux Converter
Popular Foot Candles to Lux Chart
| Foot Candles (fc) | Lux (lx) |
|---|---|
| 1 | 10.76 |
| 5 | 53.82 |
| 10 | 107.64 |
| 20 | 215.28 |
| 50 | 538.20 |
| 100 | 1,076.39 |
| 500 | 5,381.95 |
| 1,000 | 10,763.91 |
Visual Foot Candle vs Lux Scale
Conversion Formula
To lux: lux = foot candles × 10.76391
To foot candles: fc = lux ÷ 10.76391
Example: 15 fc = 15 × 10.76391 = 161.46 lx
To foot candles: fc = lux ÷ 10.76391
Example: 15 fc = 15 × 10.76391 = 161.46 lx
Typical Lighting Levels
| Setting | Foot Candles (fc) | Lux (lx) |
|---|---|---|
| Residence general | 5-40 | 54-431 |
| Office work | 70-90 | 753-969 |
| Overcast day | 100 | 1,076 |
| Full sunlight | 9,300 | 100,000 |
US specifications often list foot candles, while international standards use lux for illuminance measurements.
Common Questions
How precise is foot candles to lux?
Conversion uses 10.76391 factor; ±10% suffices for room lighting.Why two units?
Foot candle measures per square foot (US), lux per square meter (SI global).Direction of conversion?
Bidirectional: multiply fc by 10.76391 for lx, divide lx for fc.References
- LED Lighting Supply. Foot Candles to Lux Conversion Calculator. https://www.ledlightingsupply.com/resources/calculators/foot-candles-to-lux-conversion-calculator
- Unit Converters. Convert Foot-candle to Lux. https://www.unitconverters.net/illumination/foot-candle-to-lux.htm
- Wikipedia. Foot-candle. https://en.wikipedia.org/wiki/Foot-candle