One lux is equal to one lumen per square metre: 1 lx = 1 lm/m2 = 1 cd·sr/m2. A flux of 1000 lumens, spread uniformly over an area of 1 square metre, lights up that square metre with an illuminance of 1000 lux.
| Standard Units | |
|---|---|
| Footcandle | {{footcandle}} |
| Kilolux | {{kilolux}} |
| Lumen/square centimeter | {{lumenpersquarecentimeter}} |
| Lumen/square foot | {{lumenpersquarefoot}} |
| Lumen/square inch | {{lumenpersquareinch}} |
| Lux | {{lux}} |
| Metercandle | {{metercandle}} |
| Milliphot | {{milliphot}} |
| Nox | {{nox}} |
| Phot | {{phot}} |