BTU (th) per Hour per Square Foot per Degree Fahrenheit to Watt per Square Meter per Kelvin Conversion

Convert between BTU (th) per Hour per Square Foot per Degree Fahrenheit and Watt per Square Meter per Kelvin quickly and accurately.

Btu/(h·ft²·°F)
W/(m²·K)

How to Convert BTU (th) per Hour per Square Foot per Degree Fahrenheit to Watt per Square Meter per Kelvin

Conversion Formula

1 Btu/(h·ft²·°F) = 5.674 W/(m²·K)
1 W/(m²·K) = 0.176 Btu/(h·ft²·°F)

Example

Convert 15 Btu/(h·ft²·°F) to W/(m²·K):

15 Btu/(h·ft²·°F) = 15 × 5.674 W/(m²·K) = 85.117 W/(m²·K)

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

Watt per Square Meter per Kelvin

W/(m²·K)

Definition

The watt per square meter per Kelvin (W/(m²·K)) is the SI unit of heat transfer coefficient, representing the rate of heat transfer per unit area per unit temperature difference. It quantifies the thermal conductance of materials and surfaces, making it essential for thermal analysis, heat transfer calculations, and thermal system design in engineering applications.

History/Origin

Derived from the fundamental relationship between heat transfer rate, area, and temperature difference in thermodynamic systems, this unit became standardized with the adoption of the International System of Units. It provides a consistent measure for heat transfer coefficient across different materials and thermal systems, enabling accurate thermal design and analysis.

Current Use

Widely used in thermal engineering, HVAC system design, building thermal performance, and heat transfer calculations for quantifying thermal conductance. It is essential for designing thermal management systems, analyzing heat transfer rates, and optimizing thermal insulation in various engineering applications.

Multiplier

1

Offset

0

BTU (th) per Hour per Square Foot per Degree Fahrenheit to Watt per Square Meter per Kelvin Conversion Table

BTU (th) per Hour per Square Foot per Degree Fahrenheit [Btu/(h·ft²·°F)] Watt per Square Meter per Kelvin [W/(m²·K)]
1 Btu/(h·ft²·°F) 5.674466 W/(m²·K)
10 Btu/(h·ft²·°F) 56.744659 W/(m²·K)
25 Btu/(h·ft²·°F) 141.861647 W/(m²·K)
50 Btu/(h·ft²·°F) 283.723295 W/(m²·K)
100 Btu/(h·ft²·°F) 567.44659 W/(m²·K)
0 Btu/(h·ft²·°F) 0E+0 W/(m²·K)
-10 Btu/(h·ft²·°F) -56.744659 W/(m²·K)
-40 Btu/(h·ft²·°F) -226.978636 W/(m²·K)