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

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

Btu/(s·ft²·°F)
W/(m²·K)

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

Conversion Formula

1 Btu/(s·ft²·°F) = 20441.748 W/(m²·K)
1 W/(m²·K) = 0 Btu/(s·ft²·°F)

Example

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

15 Btu/(s·ft²·°F) = 15 × 20441.748 W/(m²·K) = 306626.22 W/(m²·K)

Unit Information

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

BTU (IT) per Second per Square Foot per Degree Fahrenheit

Btu/(s·ft²·°F)

Definition

The BTU (IT) per second per square foot per degree Fahrenheit (Btu/(s·ft²·°F)) is an imperial unit of heat transfer coefficient equal to approximately 20,442 watts per square meter per Kelvin. It represents the rate of heat transfer per unit area per unit temperature difference, commonly used in thermal engineering applications in the United States where imperial units are preferred.

History/Origin

Developed as part of the imperial system for heat transfer coefficient measurements, this unit became standard in the United States for thermal engineering and materials science applications. It provides a practical measure for heat transfer coefficient using familiar imperial units.

Current Use

Commonly used in thermal engineering, materials science, and HVAC applications in the United States where imperial units are preferred. It is essential for calculating heat transfer rates, designing thermal management systems, and analyzing thermal properties in imperial unit systems.

Multiplier

20441.748

Offset

0

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

BTU (IT) per Second per Square Foot per Degree Fahrenheit [Btu/(s·ft²·°F)] Watt per Square Meter per Kelvin [W/(m²·K)]
1 Btu/(s·ft²·°F) 20441.748028 W/(m²·K)
10 Btu/(s·ft²·°F) 204417.48028 W/(m²·K)
25 Btu/(s·ft²·°F) 511043.7007000001 W/(m²·K)
50 Btu/(s·ft²·°F) 1022087.401401 W/(m²·K)
100 Btu/(s·ft²·°F) 2044174.802801 W/(m²·K)
0 Btu/(s·ft²·°F) 0E+0 W/(m²·K)
-10 Btu/(s·ft²·°F) -204417.48028 W/(m²·K)
-40 Btu/(s·ft²·°F) -817669.9211200001 W/(m²·K)