8 units · base unit lx · J L⁻²
Illuminance converter
Convert lux, foot-candles, phot and lumens per square meter.
1000lx
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1 klx = 1000 lx
Show this value in all 8 illuminance units
- Kilolux klx 1
- Lux lx 1000
- Millilux mlx 1 000 000
- Foot-candles fc 92.903 04
- Phots ph 0.1
- Noxs nx 1 000 000
- Lumen per square meters lm/m² 1000
- Lumen per square centimeters lm/cm² 0.1
Every row is Kilolux (klx) converted through the lux, in exact rational arithmetic.
Common illuminance conversions
- klx → lx
- klx → mlx
- klx → fc
- klx → ph
- lx → klx
- lx → mlx
- lx → fc
- lx → ph
- mlx → klx
- mlx → lx
- mlx → fc
- mlx → ph
- fc → klx
- fc → lx
- fc → mlx
- fc → ph
- ph → klx
- ph → lx
- ph → mlx
- ph → fc
All illuminance units
Each unit expressed in lux (lx), the unit everything in this category converts through.
| Unit | Symbol | System | Value in lx |
|---|---|---|---|
| Kilolux | klx | metric | 1000 |
| Lux | lx | SI | 1 |
| Millilux | mlx | metric | 0.001 |
| Foot-candle | fc | us | 10.7639104167 |
| Phot | ph | cgs | 10000 |
| Nox | nx | other | 0.001 |
| Lumen per square meter | lm/m² | SI | 1 |
| Lumen per square centimeter | lm/cm² | cgs | 10000 |
About illuminance units
Convert lux, foot-candles, phot and lumens per square meter.
Dimensional formula: J L⁻². Every conversion on this page goes through the lux, using exact fractions rather than decimal approximations. Read how that works →