Foot-Candle to Phot Converter
Convert Foot-Candle (fc) to Phot (ph) instantly. 1 fc = 0.001076 ph.
Illuminance Converter
4 units available
1 fc = 0.001076 ph
Formula:
ph = fc × 0.001076391With your value: 1 fc = 0.00107639 ph
Other Foot-Candle to Phot conversions
Foot-Candle to Phot Conversion Table
| Foot-Candle (fc) | Phot (ph) |
|---|---|
| 0.5 | 0.000538 |
| 1 | 0.001076 |
| 2 | 0.002153 |
| 5 | 0.005382 |
| 10 | 0.010764 |
| 15 | 0.016146 |
| 20 | 0.021528 |
| 25 | 0.02691 |
| 50 | 0.05382 |
| 100 | 0.107639 |
| 250 | 0.269098 |
| 500 | 0.538195 |
| 1000 | 1.076391 |
Phot to Foot-Candle Conversion Table
| Phot (ph) | Foot-Candle (fc) |
|---|---|
| 0.5 | 464.515218 |
| 1 | 929.030436 |
| 2 | 1,858.060872 |
| 5 | 4,645.15218 |
| 10 | 9,290.30436 |
| 15 | 13,935.456539 |
| 20 | 18,580.608719 |
| 25 | 23,225.760899 |
| 50 | 46,451.521798 |
| 100 | 92,903.043597 |
| 250 | 232,257.608992 |
| 500 | 464,515.217983 |
| 1000 | 929,030.435966 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Foot-Candle (fc)
Illuminance
Derived from the lux (1 lx = 1 lm/m²); the foot-candle is 1 lm/ft².
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Phot (ph)
Illuminance
Derived from the lux (1 lx = 1 lm/m²); the foot-candle is 1 lm/ft².
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Foot-Candle to Phot
To convert from Foot-Candle (fc) to Phot (ph), multiply the value by 0.001076391.
Formula: ph = fc × 0.001076391
Reverse: fc = ph × 929.0304359661
Step-by-Step Example
- Start with your value in Foot-Candle. For example: 5 fc
- Multiply by the conversion factor: 5 x 0.001076391
- The result is: 0.005382 ph
About Foot-Candle
The foot-candle (fc) is a unit of illuminance. One foot-candle equals 10.76391 luxs. UnitConvertLab converts it against every other illuminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: illuminance calculations, engineering and science, education.
About Phot
The phot (ph) is a unit of illuminance. One phot equals 10000 luxs. UnitConvertLab converts it against every other illuminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: illuminance calculations, engineering and science, education.
Frequently Asked Questions
How many Phot are in 1 Foot-Candle?
There are exactly 0.001076391 Phot in 1 Foot-Candle. This means the conversion factor from Foot-Candle to Phot is 0.001076391.
What is the formula to convert Foot-Candle to Phot?
The formula to convert Foot-Candle to Phot is: ph = fc × 0.001076391. For example, to convert 10 Foot-Candle to Phot, you would multiply 10 by 0.001076391.
What is a Foot-Candle?
The foot-candle (fc) is a unit of illuminance. One foot-candle equals 10.76391 luxs. UnitConvertLab converts it against every other illuminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Phot?
The phot (ph) is a unit of illuminance. One phot equals 10000 luxs. UnitConvertLab converts it against every other illuminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Foot-Candle?
The Foot-Candle is commonly used in illuminance calculations, engineering and science, education.
Related Illuminance Conversions
Cite this page
UnitConvertLab. (2026). Foot-Candle to Phot converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/foot_candle-to-phot