Illuminance is the total luminous flux incident on a surface per unit area. It is measured in lux (lx).
1 lm/cm² = 10,000 fc·h
1 fc·h = 0 lm/cm²
Example:
Convert 15 Lumen per Square Centimeter to Footcandle Hour:
15 lm/cm² = 150,000 fc·h
| Lumen per Square Centimeter | Footcandle Hour |
|---|---|
| 0.01 lm/cm² | 100 fc·h |
| 0.1 lm/cm² | 1,000 fc·h |
| 1 lm/cm² | 10,000 fc·h |
| 2 lm/cm² | 20,000 fc·h |
| 3 lm/cm² | 30,000 fc·h |
| 5 lm/cm² | 50,000 fc·h |
| 10 lm/cm² | 100,000 fc·h |
| 20 lm/cm² | 200,000 fc·h |
| 30 lm/cm² | 300,000 fc·h |
| 40 lm/cm² | 400,000 fc·h |
| 50 lm/cm² | 500,000 fc·h |
| 60 lm/cm² | 600,000 fc·h |
| 70 lm/cm² | 700,000 fc·h |
| 80 lm/cm² | 800,000 fc·h |
| 90 lm/cm² | 900,000 fc·h |
| 100 lm/cm² | 1,000,000 fc·h |
| 250 lm/cm² | 2,500,000 fc·h |
| 500 lm/cm² | 5,000,000 fc·h |
| 750 lm/cm² | 7,500,000 fc·h |
| 1000 lm/cm² | 10,000,000 fc·h |
| 10000 lm/cm² | 100,000,000 fc·h |
| 100000 lm/cm² | 1,000,000,000 fc·h |
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