Result
What is Illuminance Conversion?
Convert lux, foot-candle, phot, kilolux, and more illuminance units used in lighting design, photography, and safety standards.
Supported units: Lux (lx), Kilolux (klx), Foot-candle (fc), Phot (ph), Nox (nox).
Common Conversions
- 1 Lux (lx) = 0.001 Kilolux (klx)
- 1 Lux (lx) = 0.092903 Foot-candle (fc)
- 1 Kilolux (klx) = 1000 Lux (lx)
- 1 Kilolux (klx) = 92.903 Foot-candle (fc)
- 1 Foot-candle (fc) = 10.7639 Lux (lx)
- 1 Foot-candle (fc) = 0.0107639 Kilolux (klx)
FAQ
Q: What is lux?
A: Lux (lx) is the SI unit of illuminance, measuring luminous flux per unit area. 1 lux = 1 lumen per square meter.
Q: How to convert lux to foot-candle?
A: Divide by 10.7639. Example: 100 lux ÷ 10.7639 ≈ 9.29 fc.
Q: What is a typical indoor illuminance level?
A: Office lighting is typically 300–500 lux. Reading requires about 500 lux; surgery rooms use 10,000–100,000 lux.