Lumen per Square Foot to Flame Conversion
Convert between Lumen per Square Foot and Flame quickly and accurately.
How to Convert Lumen per Square Foot to Flame
Conversion Formula
Example
Convert 15 lm/ft² to flame:
Unit Information
Learn about the illumination units you're converting between
Lumen per Square Foot
lm/ft²
Definition
The Lumen per Square Foot is an imperial unit of illuminance equal to approximately 10.76 lux, representing the luminous flux per square foot. It is commonly used in countries employing the imperial system for lighting design and illuminance measurements.
History/Origin
Developed in countries using imperial units as a practical measure of illuminance. It provides a familiar reference for lighting professionals working with imperial measurements and is commonly used in architectural lighting and building design.
Current Use
Widely used in the United States and other imperial-system countries for lighting design, architectural applications, and general illuminance measurements. It provides a practical unit for lighting professionals and is commonly referenced in building codes and lighting standards.
Multiplier
10.764
Offset
0
Flame
flame
Definition
The Flame is a unit of illuminance equal to approximately 43.06 lux, representing the illuminance produced by a standard flame at a specific distance. It was used as a practical reference for measuring illumination levels in various lighting applications and historical photometric measurements.
History/Origin
Developed as a practical unit for measuring illumination based on the light output of a standard flame. It provided a convenient reference for lighting levels in everyday applications before the widespread adoption of standardized photometric units.
Current Use
Primarily of historical interest, though may still be referenced in older lighting literature or specialized applications. It provides insight into the evolution of illumination measurement and the practical approaches used in early photometry.
Multiplier
43.056
Offset
0
Lumen per Square Foot to Flame Conversion Table
| Lumen per Square Foot [lm/ft²] | Flame [flame] |
|---|---|
| 1 lm/ft² | 0.25 flame |
| 10 lm/ft² | 2.5 flame |
| 25 lm/ft² | 6.25 flame |
| 50 lm/ft² | 12.5 flame |
| 100 lm/ft² | 25 flame |
| 0 lm/ft² | 0E+0 flame |
| -10 lm/ft² | -2.5 flame |
| -40 lm/ft² | -10 flame |
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