Illuminance
Browse Illuminance conversions1 phot = 929.0304 foot-candle
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Formula Summary
Result: 1 phot = 929.0304 foot-candle
Formula: (1 x 10000) / 10.76391041671
Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Real World Context
929.0304 foot-candle is approximately:
- within the broad range of cloudy daylight
Unit Story
Phot
The phot is a CGS illuminance unit equal to 10,000 lux. It appears mainly in older scientific and technical references.
Foot-candle
A foot-candle is one lumen per square foot. It remains common in North American building, workplace, photography, and lighting specifications.
How This Conversion Works
Phot and foot-candle are both used for illuminance conversions. This page converts 1 phot into 929.0304 foot-candle using the formula shown below.
Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.
The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.
Unit Notes
- 1 phot (ph) equals 10000 lux.
- 1 foot-candle (fc) equals 10.7639104167 lux.
Questions
How do you convert phot to foot-candle?
This page converts phot to foot-candle using this formula: (1 x 10000) / 10.76391041671.
What is 1 phot in foot-candle?
1 phot equals 929.0304 foot-candle.
How many decimals does this converter show?
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
Nearby Values
Full Details
- Formula
- (1 x 10000) / 10.76391041671
- Rounding
- Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
- Assumption
- Illuminance measures luminous flux arriving on a surface. It is not the same as total lumens or luminance. Real lighting levels vary with distance, angle, weather, fixtures, reflections, and measurement position.
