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

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

W/(m²·K)
Btu/(h·ft²·°F)

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

Conversion Formula

1 W/(m²·K) = 0.176 Btu/(h·ft²·°F)
1 Btu/(h·ft²·°F) = 5.678 W/(m²·K)

Example

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

15 W/(m²·K) = 15 × 0.176 Btu/(h·ft²·°F) = 2.642 Btu/(h·ft²·°F)

Unit Information

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

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 (IT) per Hour per Square Foot per Degree Fahrenheit

Btu/(h·ft²·°F)

Definition

The BTU (IT) per hour per square foot per degree Fahrenheit (Btu/(h·ft²·°F)) is an imperial unit of heat transfer coefficient equal to approximately 5.678 watts per square meter per Kelvin. It represents the rate of heat transfer per unit area per unit temperature difference, commonly used in building thermal analysis and HVAC applications where hour time units are preferred.

History/Origin

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

Current Use

Commonly used in building thermal analysis, HVAC system design, and thermal engineering applications where hour time units are preferred. It is essential for calculating heat transfer rates, designing thermal insulation, and analyzing thermal performance in building applications.

Multiplier

5.678

Offset

0

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

Watt per Square Meter per Kelvin [W/(m²·K)] BTU (IT) per Hour per Square Foot per Degree Fahrenheit [Btu/(h·ft²·°F)]
1 W/(m²·K) 0.17611 Btu/(h·ft²·°F)
10 W/(m²·K) 1.761102 Btu/(h·ft²·°F)
25 W/(m²·K) 4.402755 Btu/(h·ft²·°F)
50 W/(m²·K) 8.805509 Btu/(h·ft²·°F)
100 W/(m²·K) 17.611018 Btu/(h·ft²·°F)
0 W/(m²·K) 0E+0 Btu/(h·ft²·°F)
-10 W/(m²·K) -1.761102 Btu/(h·ft²·°F)
-40 W/(m²·K) -7.044407 Btu/(h·ft²·°F)