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