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

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

W/(m·K)
Btu·in/(h·ft²·°F)

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

Conversion Formula

1 W/(m·K) = 6.938 Btu·in/(h·ft²·°F)
1 Btu·in/(h·ft²·°F) = 0.144 W/(m·K)

Example

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

15 W/(m·K) = 15 × 6.938 Btu·in/(h·ft²·°F) = 104.072 Btu·in/(h·ft²·°F)

Unit Information

Learn about the thermal conductivity units you're converting between

Watt per Meter per Kelvin

W/(m·K)

Definition

The watt per meter per kelvin (W/(m·K)) is the SI unit of thermal conductivity, representing the amount of heat energy transferred per unit time through a unit area of material with a unit temperature gradient. It quantifies how effectively a material conducts heat, making it essential for thermal analysis and heat transfer calculations in engineering applications.

History/Origin

Derived from the fundamental relationship between heat flux, temperature gradient, and material properties, this unit became standardized with the adoption of the International System of Units. It provides a consistent measure for thermal conductivity across different materials and heat transfer mechanisms, enabling accurate thermal design and analysis.

Current Use

Widely used in thermal engineering, materials science, building insulation, and HVAC system design for calculating heat transfer rates and thermal performance. It is essential for designing thermal management systems, predicting temperature distributions, and optimizing thermal insulation in various applications.

Multiplier

1

Offset

0

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

Btu·in/(h·ft²·°F)

Definition

The BTU (th) 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 in specialized insulation applications.

History/Origin

Developed as part of the thermochemical BTU system for insulation and low-conductivity material applications, this unit became standard in specialized building insulation analysis and thermochemical thermal design. It provides a precise measure for thermal conductivity using thermochemical BTU units.

Current Use

Used in specialized insulation 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 insulation applications.

Multiplier

0.144

Offset

0

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

Watt per Meter per Kelvin [W/(m·K)] BTU (th) Inch per Hour per Square Foot per Degree Fahrenheit [Btu·in/(h·ft²·°F)]
1 W/(m·K) 6.938112 Btu·in/(h·ft²·°F)
10 W/(m·K) 69.381118 Btu·in/(h·ft²·°F)
25 W/(m·K) 173.452795 Btu·in/(h·ft²·°F)
50 W/(m·K) 346.905589 Btu·in/(h·ft²·°F)
100 W/(m·K) 693.811179 Btu·in/(h·ft²·°F)
0 W/(m·K) 0E+0 Btu·in/(h·ft²·°F)
-10 W/(m·K) -69.381118 Btu·in/(h·ft²·°F)
-40 W/(m·K) -277.524472 Btu·in/(h·ft²·°F)