Illuminance is the total luminous flux incident on a surface per unit area. It is measured in lux (lx).
1 lm/m² = 1 br
1 br = 1 lm/m²
Example:
Convert 15 Lumens per Square Meter to Brightness:
15 lm/m² = 15 br
| Lumens per Square Meter | Brightness |
|---|---|
| 0.01 lm/m² | 0.01 br |
| 0.1 lm/m² | 0.1 br |
| 1 lm/m² | 1 br |
| 2 lm/m² | 2 br |
| 3 lm/m² | 3 br |
| 5 lm/m² | 5 br |
| 10 lm/m² | 10 br |
| 20 lm/m² | 20 br |
| 30 lm/m² | 30 br |
| 40 lm/m² | 40 br |
| 50 lm/m² | 50 br |
| 60 lm/m² | 60 br |
| 70 lm/m² | 70 br |
| 80 lm/m² | 80 br |
| 90 lm/m² | 90 br |
| 100 lm/m² | 100 br |
| 250 lm/m² | 250 br |
| 500 lm/m² | 500 br |
| 750 lm/m² | 750 br |
| 1000 lm/m² | 1,000 br |
| 10000 lm/m² | 10,000 br |
| 100000 lm/m² | 100,000 br |
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