Watt per Meter per Kelvin to BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit Conversion
Convert between Watt per Meter per Kelvin and BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit quickly and accurately.
How to Convert Watt per Meter per Kelvin to BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit
Conversion Formula
Example
Convert 15 W/(m·K) to Btu·ft/(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) Foot per Hour per Square Foot per Degree Fahrenheit
Btu·ft/(h·ft²·°F)
Definition
The BTU (IT) foot per hour per square foot per degree Fahrenheit (Btu·ft/(h·ft²·°F)) is an imperial unit of thermal conductivity equal to approximately 1.731 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 HVAC and building thermal applications.
History/Origin
Developed for HVAC and building thermal applications where hour units are preferred over second units, this unit became standard in building thermal analysis and HVAC system design in the United States. It provides a practical measure for thermal conductivity in contexts where hour units are more appropriate.
Current Use
Widely used in HVAC system design, building thermal analysis, 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 HVAC applications.
Multiplier
1.731
Offset
0
Watt per Meter per Kelvin to BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit Conversion Table
| Watt per Meter per Kelvin [W/(m·K)] | BTU (IT) Foot per Hour per Square Foot per Degree Fahrenheit [Btu·ft/(h·ft²·°F)] |
|---|---|
| 1 W/(m·K) | 0.577789 Btu·ft/(h·ft²·°F) |
| 10 W/(m·K) | 5.777893 Btu·ft/(h·ft²·°F) |
| 25 W/(m·K) | 14.444733 Btu·ft/(h·ft²·°F) |
| 50 W/(m·K) | 28.889466 Btu·ft/(h·ft²·°F) |
| 100 W/(m·K) | 57.778932 Btu·ft/(h·ft²·°F) |
| 0 W/(m·K) | 0E+0 Btu·ft/(h·ft²·°F) |
| -10 W/(m·K) | -5.777893 Btu·ft/(h·ft²·°F) |
| -40 W/(m·K) | -23.111573 Btu·ft/(h·ft²·°F) |
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