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Illumination Converter
Result
... Foot-candle = ... Phot
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Foot-candle to Phot Converter
Use this page to convert foot-candle values into phot, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 fc = 0.00107639104167097 ph
1 ph = 929.0304 fc
Example: 500 fc = 0.538195520835486 ph
Foot-candle
One foot-candle is equal to one lumen per square foot.
History: Foot-candle is based on one lumen per square foot and became common in US lighting practice.
Current use: Used in US lighting design, building codes, photography, and workplace illumination standards.
Also written as fc.
Phot
One phot is equal to 10000 lux.
History: The phot is a CGS photometric unit equal to one lumen per square centimeter.
Current use: Used mainly in older photometric tables and reference conversions.
Also written as ph.
Foot-candle to Phot table
| Foot-candle [fc] | Phot [ph] |
|---|---|
| 0.01 fc | 0.0000107639104167097 ph |
| 0.1 fc | 0.000107639104167097 ph |
| 1 fc | 0.00107639104167097 ph |
| 2 fc | 0.00215278208334195 ph |
| 5 fc | 0.00538195520835486 ph |
| 10 fc | 0.0107639104167097 ph |
| 20 fc | 0.0215278208334195 ph |
| 50 fc | 0.0538195520835486 ph |
| 100 fc | 0.107639104167097 ph |
Frequently asked questions
How many Phot (ph) are in one Foot-candle (fc)?
One Foot-candle equals 0.00107639104167097 Phot.
How do you convert Foot-candle to Phot?
Multiply the Foot-candle value by 0.00107639104167097 to get the result in Phot.
How do you convert Phot back to Foot-candle?
Multiply the Phot value by 929.0304 to get back to Foot-candle.
What is 500 Foot-candle in Phot?
500 Foot-candle equals 0.538195520835486 Phot.