Foot-candles to Phots
1 fc ≈ 0.001076 ph. Edit either value to convert instantly.
Conversion formula
ph = fc × (1,562,500 / 145,161) × (0.0001)1 fc ≈ 0.00107639 ph
foot-candle (fc)
foot-candle is a unit of illuminance: 1 fc = 1,562,500/145,161 lx.
Source: NIST SP 811, Appendix B.9: factors by kind of quantity
phot (ph)
phot is a unit of illuminance: 1 ph = 10,000 lx.
Source: NIST SP 811, Appendix B.9: factors by kind of quantity
Conversion table
| fc | ph |
|---|---|
| ≈ 0.00107639 | |
| ≈ 0.00215278 | |
| ≈ 0.00538196 | |
| ≈ 0.0107639 | |
| ≈ 0.0161459 | |
| ≈ 0.0215278 | |
| ≈ 0.0269098 | |
| ≈ 0.0322917 | |
| ≈ 0.0430556 | |
| ≈ 0.0484376 |
| fc | ph |
|---|---|
| ≈ 0.0538196 | |
| ≈ 0.0645835 | |
| ≈ 0.0753474 | |
| ≈ 0.0861113 | |
| ≈ 0.0968752 | |
| ≈ 0.107639 | |
| ≈ 0.161459 | |
| ≈ 0.172223 | |
| ≈ 0.182986 | |
| ≈ 0.19375 |
Frequently asked questions
How many phots are in 1 foot-candle?
1 fc ≈ 0.001076 ph. ph = fc × (1,562,500 / 145,161) × (0.0001)
How do I convert fc to ph?
ph = fc × (1,562,500 / 145,161) × (0.0001)
Is 1 foot-candle bigger than 1 phot?
1 fc ≈ 0.001076 ph.
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