BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit to BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit Conversion
Convert between BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit and BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit quickly and accurately.
How to Convert BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit to BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit
Conversion Formula
Example
Convert 15 Btu·ft/(h·ft²·°F) to Btu·ft/(h·ft²·°F):
Unit Information
Learn about the thermal conductivity units you're converting between
BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit
Btu·ft/(h·ft²·°F)
Definition
The BTU (th) foot per hour per square foot per degree Fahrenheit (Btu·ft/(h·ft²·°F)) is an imperial unit of thermal conductivity equal to approximately 1.730 watts per meter per kelvin. It represents the amount of heat energy transferred per unit time through a unit area of material with a unit temperature gradient, commonly used in specialized HVAC applications.
History/Origin
Developed as part of the thermochemical BTU system for HVAC and building thermal applications, this unit became standard in specialized building thermal analysis and thermochemical HVAC system design. It provides a precise measure for thermal conductivity using thermochemical BTU units.
Current Use
Used in specialized HVAC applications, thermochemical building thermal analysis, and research contexts where thermochemical BTU units are specified. It is essential for precise thermal calculations, thermochemical analysis, and specialized building thermal applications.
Multiplier
1.73
Offset
0
BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit
Btu·ft/(h·ft²·°F)
Definition
The BTU (IT) foot per hour per square foot per degree Fahrenheit (Btu·ft/(h·ft²·°F)) is an imperial unit of thermal conductivity equal to approximately 1.731 watts per meter per kelvin. It represents the amount of heat energy transferred per unit time through a unit area of material with a unit temperature gradient, commonly used in HVAC and building thermal applications.
History/Origin
Developed for HVAC and building thermal applications where hour units are preferred over second units, this unit became standard in building thermal analysis and HVAC system design in the United States. It provides a practical measure for thermal conductivity in contexts where hour units are more appropriate.
Current Use
Widely used in HVAC system design, building thermal analysis, and energy efficiency applications in the United States. It is essential for calculating heat transfer rates, designing thermal insulation, and analyzing thermal performance in building and HVAC applications.
Multiplier
1.731
Offset
0
BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit to BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit Conversion Table
| BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit [Btu·ft/(h·ft²·°F)] | BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit [Btu·ft/(h·ft²·°F)] |
|---|---|
| 1 Btu·ft/(h·ft²·°F) | 0.999331 Btu·ft/(h·ft²·°F) |
| 10 Btu·ft/(h·ft²·°F) | 9.993312 Btu·ft/(h·ft²·°F) |
| 25 Btu·ft/(h·ft²·°F) | 24.983281 Btu·ft/(h·ft²·°F) |
| 50 Btu·ft/(h·ft²·°F) | 49.966562 Btu·ft/(h·ft²·°F) |
| 100 Btu·ft/(h·ft²·°F) | 99.933123 Btu·ft/(h·ft²·°F) |
| 0 Btu·ft/(h·ft²·°F) | 0E+0 Btu·ft/(h·ft²·°F) |
| -10 Btu·ft/(h·ft²·°F) | -9.993312 Btu·ft/(h·ft²·°F) |
| -40 Btu·ft/(h·ft²·°F) | -39.973249 Btu·ft/(h·ft²·°F) |
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