Illuminance Converter
Convert between lux, kilolux, foot-candle, and phot instantly.
Type in any field and the others update automatically.
Type in any field — the others update instantly.
All illuminance conversions use lux (lx) as the base unit.
Key conversions:
- 1 klx = 1,000 lx (kilolux)
- 1 foot-candle = 10.7639 lx
- 1 phot = 10,000 lx
Common references:
- Full moonlight: about 0.25 lx
- Office lighting: 300–500 lx
- Overcast day: about 1,000 lx
- Direct sunlight: 32,000–100,000 lx