Phot to Foot Candle Converter
Convert phot to foot-candle instantly.
Standard illuminance units
Fun comparisons
How to convert phot to foot-candle
Enter your illuminance in phot and get the equivalent in foot-candle instantly. Key reference points: direct sunlight provides about 100,000 lux, a typical office is 300-500 lux (28-46 foot-candles), and a full moon provides about 0.25 lux.
Phot is the CGS illuminance unit from older literature; foot-candles are the active US unit for lighting codes, so this conversion helps when referencing historical photometric data for US projects.
Need the opposite direction? Convert foot-candle to phot just as easily, or explore all our illuminance conversions.
Common phot to foot-candle conversions
| Phot (ph) | Foot Candle (fc) |
|---|---|
| 1 | 929.031 |
| 5 | 4645.16 |
| 10 | 9290.31 |
| 25 | 23225.8 |
| 50 | 46451.6 |
| 100 | 92903.1 |
| 500 | 464516 |
| 1000 | 929031 |
Frequently asked questions
1 phot equals 929.031 foot-candle.
Multiply by 929.031. For example, 5 ph = 4645.16 fc.
1 phot equals approximately 929.03 foot-candles.
1 foot-candle equals 0.00107639 phot.
100 phot equals 92903.1 foot-candle.