phot to foot-candle Conversion
Convert phot to foot-candle with precision. Enter values and get instant conversions.
Illuminance Converter
1 phot = 0 foot-candle
Common Conversions
About phot to foot-candle Conversion
Converting from phot to foot-candle is a common illuminance conversion.
This online converter allows you to easily convert between phot and foot-candle, providing instant results with high precision.
phot
Definition: The phot (symbol: ph) is an illuminance unit equal to 1 lumen per square centimeter (10,000 lx). Measures high-intensity illumination.
History: Used in early 20th century photometry before SI standardization. From Greek 'phos' (light).
Current use: Mostly obsolete, but appears in some specialized scientific instruments and historical contexts.
foot-candle
Definition: The foot-candle (symbol: fc) is an illuminance unit equal to 1 lumen per square foot (≈10.764 lx). Measures light falling on a surface.
History: Developed in the US lighting industry before metric adoption. Still common in American architectural lighting.
Current use: Used in US building codes, theater lighting, and horticulture (grow light measurements).
Details
- From: phot
- To: foot-candle
- Formula: 1 phot = 929.0312990645 foot-candle
- Example: 25 phot = 23225.7824766116 foot-candle
phot to foot-candle Conversion Table
| phot | foot-candle |
|---|---|
| 0.01 | 9.2903129906 |
| 0.1 | 92.9031299064 |
| 1 | 929.0312990645 |
| 2 | 1858.0625981289 |
| 3 | 2787.0938971934 |
| 5 | 4645.1564953223 |
| 10 | 9290.3129906447 |
| 20 | 18580.6259812893 |
| 50 | 46451.5649532233 |
| 100 | 92903.1299064466 |
| 1000 | 929031.2990644656 |