BTU (IT) per Square Foot to Langley Conversion
Convert between BTU (IT) per Square Foot and Langley quickly and accurately.
How to Convert BTU (IT) per Square Foot to Langley
Conversion Formula
Example
Convert 15 Btu/ft² to Ly:
Unit Information
Learn about the heat density units you're converting between
BTU (IT) per Square Foot
Btu/ft²
Definition
The BTU (IT) per square foot (Btu/ft²) is an imperial unit of heat density equal to approximately 11,357 joules per square meter. It represents the amount of heat energy per unit area, commonly used in thermal engineering and building thermal analysis applications in the United States.
History/Origin
Developed as part of the imperial system for heat density measurements, this unit became standard in the United States for thermal engineering and building thermal analysis applications. It provides a practical measure for heat density using familiar imperial units.
Current Use
Commonly used in thermal engineering, building thermal analysis, and HVAC applications in the United States where imperial units are preferred. It is essential for calculating heat transfer rates, designing thermal management systems, and analyzing thermal properties in imperial unit systems.
Multiplier
11356.527
Offset
0
Langley
Ly
Definition
The Langley (Ly) is a unit of heat density equal to approximately 41,840 joules per square meter, originally defined as one calorie per square centimeter. It represents the amount of heat energy per unit area, commonly used in solar energy and atmospheric science applications.
History/Origin
Named after Samuel Pierpont Langley, an American astronomer and physicist, this unit was developed for measuring solar radiation and atmospheric heat density. It became standard in solar energy research and atmospheric science applications, providing a convenient measure for heat density in these specialized fields.
Current Use
Widely used in solar energy research, atmospheric science, and climate studies for measuring solar radiation and heat density. It is essential for calculating solar energy potential, analyzing atmospheric heat transfer, and studying climate change effects in scientific research applications.
Multiplier
41840
Offset
0
BTU (IT) per Square Foot to Langley Conversion Table
| BTU (IT) per Square Foot [Btu/ft²] | Langley [Ly] |
|---|---|
| 1 Btu/ft² | 0.271428 Ly |
| 10 Btu/ft² | 2.714275 Ly |
| 25 Btu/ft² | 6.785688 Ly |
| 50 Btu/ft² | 13.571375 Ly |
| 100 Btu/ft² | 27.14275 Ly |
| 0 Btu/ft² | 0E+0 Ly |
| -10 Btu/ft² | -2.714275 Ly |
| -40 Btu/ft² | -10.8571 Ly |
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