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

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

Btu·in/(s·ft²·°F)
W/(m·K)

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

Conversion Formula

1 Btu·in/(s·ft²·°F) = 518.873 W/(m·K)
1 W/(m·K) = 0.002 Btu·in/(s·ft²·°F)

Example

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

15 Btu·in/(s·ft²·°F) = 15 × 518.873 W/(m·K) = 7783.097 W/(m·K)

Unit Information

Learn about the thermal conductivity units you're converting between

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

Btu·in/(s·ft²·°F)

Definition

The BTU (th) inch per second per square foot per degree Fahrenheit (Btu·in/(s·ft²·°F)) is an imperial unit of thermal conductivity equal to approximately 518.87 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 thermal engineering applications.

History/Origin

Developed as part of the thermochemical BTU system for precise thermal conductivity measurements, this unit became standard in specialized thermal engineering and research applications. It provides a precise measure for thermal conductivity using thermochemical BTU units.

Current Use

Used in specialized thermal engineering applications, thermochemical analysis, and research contexts where thermochemical BTU units are specified. It is essential for precise thermal calculations, thermochemical analysis, and specialized thermal engineering applications.

Multiplier

518.873

Offset

0

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 Second per Square Foot per Degree Fahrenheit to Watt per Meter per Kelvin Conversion Table

BTU (th) Inch per Second per Square Foot per Degree Fahrenheit [Btu·in/(s·ft²·°F)] Watt per Meter per Kelvin [W/(m·K)]
1 Btu·in/(s·ft²·°F) 518.873162 W/(m·K)
10 Btu·in/(s·ft²·°F) 5188.731617 W/(m·K)
25 Btu·in/(s·ft²·°F) 12971.829041 W/(m·K)
50 Btu·in/(s·ft²·°F) 25943.658083 W/(m·K)
100 Btu·in/(s·ft²·°F) 51887.316166 W/(m·K)
0 Btu·in/(s·ft²·°F) 0E+0 W/(m·K)
-10 Btu·in/(s·ft²·°F) -5188.731617 W/(m·K)
-40 Btu·in/(s·ft²·°F) -20754.926466 W/(m·K)

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