照明是每单位区域表面上的总发光通量。它以Lux（LX）为单位。
1 cd = 1 cd/m²
1 cd/m² = 1 cd
例子:
将15 坎德拉转换为每平方米烛台：
15 cd = 15 cd/m²
| 坎德拉 | 每平方米烛台 |
|---|---|
| 0.01 cd | 0.01 cd/m² |
| 0.1 cd | 0.1 cd/m² |
| 1 cd | 1 cd/m² |
| 2 cd | 2 cd/m² |
| 3 cd | 3 cd/m² |
| 5 cd | 5 cd/m² |
| 10 cd | 10 cd/m² |
| 20 cd | 20 cd/m² |
| 30 cd | 30 cd/m² |
| 40 cd | 40 cd/m² |
| 50 cd | 50 cd/m² |
| 60 cd | 60 cd/m² |
| 70 cd | 70 cd/m² |
| 80 cd | 80 cd/m² |
| 90 cd | 90 cd/m² |
| 100 cd | 100 cd/m² |
| 250 cd | 250 cd/m² |
| 500 cd | 500 cd/m² |
| 750 cd | 750 cd/m² |
| 1000 cd | 1,000 cd/m² |
| 10000 cd | 10,000 cd/m² |
| 100000 cd | 100,000 cd/m² |
规则