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

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

Conversion Formula

1 W/(m·K) = 6.933 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 × 6.933 Btu·in/(h·ft²·°F) = 104.002 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 (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

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

Watt per Meter per Kelvin [W/(m·K)] BTU (IT) Inch per Hour per Square Foot per Degree Fahrenheit [Btu·in/(h·ft²·°F)]
1 W/(m·K) 6.933472 Btu·in/(h·ft²·°F)
10 W/(m·K) 69.334718 Btu·in/(h·ft²·°F)
25 W/(m·K) 173.336795 Btu·in/(h·ft²·°F)
50 W/(m·K) 346.67359 Btu·in/(h·ft²·°F)
100 W/(m·K) 693.34718 Btu·in/(h·ft²·°F)
0 W/(m·K) 0E+0 Btu·in/(h·ft²·°F)
-10 W/(m·K) -69.334718 Btu·in/(h·ft²·°F)
-40 W/(m·K) -277.338872 Btu·in/(h·ft²·°F)