BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit to BTU (IT) Inch 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) Inch per Hour per Square Foot per Degree Fahrenheit quickly and accurately.

Btu·ft/(h·ft²·°F)
Btu·in/(h·ft²·°F)

How to Convert BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit to BTU (IT) Inch per Hour per Square Foot per Degree Fahrenheit

Conversion Formula

1 Btu·ft/(h·ft²·°F) = 11.992 Btu·in/(h·ft²·°F)
1 Btu·in/(h·ft²·°F) = 0.083 Btu·ft/(h·ft²·°F)

Example

Convert 15 Btu·ft/(h·ft²·°F) to Btu·in/(h·ft²·°F):

15 Btu·ft/(h·ft²·°F) = 15 × 11.992 Btu·in/(h·ft²·°F) = 179.88 Btu·in/(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) Inch per Hour per Square Foot per Degree Fahrenheit

Btu·in/(h·ft²·°F)

Definition

The BTU (IT) inch per hour per square foot per degree Fahrenheit (Btu·in/(h·ft²·°F)) is an imperial unit of thermal conductivity equal to approximately 0.144 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 for low thermal conductivity materials and insulation applications.

History/Origin

Developed for measuring thermal conductivity of low-conductivity materials and insulation applications, this unit became standard in building insulation and thermal analysis in the United States. It provides a practical measure for thermal conductivity in contexts where inch and hour units are more appropriate.

Current Use

Widely used in building insulation analysis, thermal insulation design, 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 insulation applications.

Multiplier

0.144

Offset

0

BTU (th) Foot per Hour per Square Foot per Degree Fahrenheit to BTU (IT) Inch 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) Inch per Hour per Square Foot per Degree Fahrenheit [Btu·in/(h·ft²·°F)]
1 Btu·ft/(h·ft²·°F) 11.991975 Btu·in/(h·ft²·°F)
10 Btu·ft/(h·ft²·°F) 119.919748 Btu·in/(h·ft²·°F)
25 Btu·ft/(h·ft²·°F) 299.799369 Btu·in/(h·ft²·°F)
50 Btu·ft/(h·ft²·°F) 599.598739 Btu·in/(h·ft²·°F)
100 Btu·ft/(h·ft²·°F) 1199.197477 Btu·in/(h·ft²·°F)
0 Btu·ft/(h·ft²·°F) 0E+0 Btu·in/(h·ft²·°F)
-10 Btu·ft/(h·ft²·°F) -119.919748 Btu·in/(h·ft²·°F)
-40 Btu·ft/(h·ft²·°F) -479.678991 Btu·in/(h·ft²·°F)

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