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 fc = 10.764 pm
1 pm = 0.093 fc
例子:
将15 footcandle转换为光度测量:
15 fc = 161.46 pm
| footcandle | 光度测量 |
|---|---|
| 0.01 fc | 0.108 pm |
| 0.1 fc | 1.076 pm |
| 1 fc | 10.764 pm |
| 2 fc | 21.528 pm |
| 3 fc | 32.292 pm |
| 5 fc | 53.82 pm |
| 10 fc | 107.64 pm |
| 20 fc | 215.28 pm |
| 30 fc | 322.92 pm |
| 40 fc | 430.56 pm |
| 50 fc | 538.2 pm |
| 60 fc | 645.84 pm |
| 70 fc | 753.48 pm |
| 80 fc | 861.12 pm |
| 90 fc | 968.76 pm |
| 100 fc | 1,076.4 pm |
| 250 fc | 2,691 pm |
| 500 fc | 5,382 pm |
| 750 fc | 8,073 pm |
| 1000 fc | 10,764 pm |
| 10000 fc | 107,640 pm |
| 100000 fc | 1,076,400 pm |