BTU (th) per Hour per Square Foot per Degree Fahrenheit to Kilocalorie (IT) per Hour per Square Foot per Degree Celsius Conversion

Convert between BTU (th) per Hour per Square Foot per Degree Fahrenheit and Kilocalorie (IT) per Hour per Square Foot per Degree Celsius quickly and accurately.

Btu/(h·ft²·°F)
kcal/(h·ft²·°C)

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

Conversion Formula

1 Btu/(h·ft²·°F) = 0.453 kcal/(h·ft²·°C)
1 kcal/(h·ft²·°C) = 2.206 Btu/(h·ft²·°F)

Example

Convert 15 Btu/(h·ft²·°F) to kcal/(h·ft²·°C):

15 Btu/(h·ft²·°F) = 15 × 0.453 kcal/(h·ft²·°C) = 6.799 kcal/(h·ft²·°C)

Unit Information

Learn about the heat transfer coefficient units you're converting between

BTU (th) per Hour per Square Foot per Degree Fahrenheit

Btu/(h·ft²·°F)

Definition

The BTU (th) per hour per square foot per degree Fahrenheit (Btu/(h·ft²·°F)) is an imperial unit of heat transfer coefficient equal to approximately 5.674 watts per square meter per Kelvin. It represents the rate of heat transfer per unit area per unit temperature difference, commonly used in specialized thermochemical applications where hour time units are preferred.

History/Origin

Developed for specialized thermochemical applications where hour time units are preferred, this unit became standard in thermochemical building thermal analysis and specialized HVAC system design. It provides a precise measure for heat transfer coefficient using thermochemical BTU and hour units.

Current Use

Used in specialized thermochemical applications, thermochemical building thermal analysis, and research contexts where thermochemical BTU and hour units are specified. It is essential for precise thermochemical calculations, specialized analysis, and specialized thermochemical applications.

Multiplier

5.674

Offset

0

Kilocalorie (IT) per Hour per Square Foot per Degree Celsius

kcal/(h·ft²·°C)

Definition

The kilocalorie (IT) per hour per square foot per degree Celsius (kcal/(h·ft²·°C)) is an imperial unit of heat transfer coefficient equal to approximately 12.52 watts per square meter per Kelvin. It represents the rate of heat transfer per unit area per unit temperature difference, commonly used in HVAC and building thermal analysis applications in the United States.

History/Origin

Developed for HVAC and building thermal analysis applications in the United States where imperial units are preferred, this unit became standard in American building thermal analysis and HVAC system design. It provides a practical measure for heat transfer coefficient using familiar imperial thermal units.

Current Use

Commonly used in HVAC system design, building thermal analysis, and energy efficiency applications in the United States where imperial units are preferred. It is essential for calculating heat transfer rates, designing thermal insulation, and analyzing thermal performance in imperial unit systems.

Multiplier

12.518

Offset

0

BTU (th) per Hour per Square Foot per Degree Fahrenheit to Kilocalorie (IT) per Hour per Square Foot per Degree Celsius Conversion Table

BTU (th) per Hour per Square Foot per Degree Fahrenheit [Btu/(h·ft²·°F)] Kilocalorie (IT) per Hour per Square Foot per Degree Celsius [kcal/(h·ft²·°C)]
1 Btu/(h·ft²·°F) 0.453289 kcal/(h·ft²·°C)
10 Btu/(h·ft²·°F) 4.53289 kcal/(h·ft²·°C)
25 Btu/(h·ft²·°F) 11.332226 kcal/(h·ft²·°C)
50 Btu/(h·ft²·°F) 22.664451 kcal/(h·ft²·°C)
100 Btu/(h·ft²·°F) 45.328902 kcal/(h·ft²·°C)
0 Btu/(h·ft²·°F) 0E+0 kcal/(h·ft²·°C)
-10 Btu/(h·ft²·°F) -4.53289 kcal/(h·ft²·°C)
-40 Btu/(h·ft²·°F) -18.131561 kcal/(h·ft²·°C)