Phot to Foot-Candle Converter
Convert Phot (ph) to Foot-Candle (fc) instantly. 1 ph = 929.030436 fc.
Illuminance Converter
4 units available
1 ph = 929.030436 fc
Formula:
fc = ph × 929.0304359661With your value: 1 ph = 929.03043597 fc
Other Phot to Foot-Candle conversions
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 |
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 |
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.
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
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
How to Convert Phot to Foot-Candle
To convert from Phot (ph) to Foot-Candle (fc), multiply the value by 929.0304359661.
Formula: fc = ph × 929.0304359661
Reverse: ph = fc × 0.001076391
Step-by-Step Example
- Start with your value in Phot. For example: 5 ph
- Multiply by the conversion factor: 5 x 929.0304359661
- The result is: 4,645.15218 fc
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.
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.
Frequently Asked Questions
How many Foot-Candle are in 1 Phot?
There are exactly 929.0304359661 Foot-Candle in 1 Phot. This means the conversion factor from Phot to Foot-Candle is 929.0304359661.
What is the formula to convert Phot to Foot-Candle?
The formula to convert Phot to Foot-Candle is: fc = ph × 929.0304359661. For example, to convert 10 Phot to Foot-Candle, you would multiply 10 by 929.0304359661.
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 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 are the common uses of Phot?
The Phot is commonly used in illuminance calculations, engineering and science, education.
Related Illuminance Conversions
Cite this page
UnitConvertLab. (2026). Phot to Foot-Candle converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/phot-to-foot_candle