Illuminance is the total luminous flux incident on a surface per unit area. It is measured in lux (lx).
1 ph = 10,000 II
1 II = 0 ph
Example:
Convert 15 Phot to Illuminance Index:
15 ph = 150,000 II
Phot | Illuminance Index |
---|---|
0.01 ph | 100 II |
0.1 ph | 1,000 II |
1 ph | 10,000 II |
2 ph | 20,000 II |
3 ph | 30,000 II |
5 ph | 50,000 II |
10 ph | 100,000 II |
20 ph | 200,000 II |
30 ph | 300,000 II |
40 ph | 400,000 II |
50 ph | 500,000 II |
60 ph | 600,000 II |
70 ph | 700,000 II |
80 ph | 800,000 II |
90 ph | 900,000 II |
100 ph | 1,000,000 II |
250 ph | 2,500,000 II |
500 ph | 5,000,000 II |
750 ph | 7,500,000 II |
1000 ph | 10,000,000 II |
10000 ph | 100,000,000 II |
100000 ph | 1,000,000,000 II |