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

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

J/(s·m²·K)
Btu/(h·ft²·°F)

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

Conversion Formula

1 J/(s·m²·K) = 0.176 Btu/(h·ft²·°F)
1 Btu/(h·ft²·°F) = 5.678 J/(s·m²·K)

Example

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

15 J/(s·m²·K) = 15 × 0.176 Btu/(h·ft²·°F) = 2.642 Btu/(h·ft²·°F)

Unit Information

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

Joule per Second per Square Meter per Kelvin

J/(s·m²·K)

Definition

The joule per second per square meter per Kelvin (J/(s·m²·K)) is a unit of heat transfer coefficient equal to one watt 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 where joule and second units are preferred.

History/Origin

Developed for thermal engineering applications where joule and second units are preferred, this unit became standard in energy system design and thermal analysis. It provides a practical measure for heat transfer coefficient using familiar energy and time units.

Current Use

Widely used in thermal engineering, energy analysis, and industrial applications where joule and second units are preferred. It is essential for calculating heat transfer rates, designing thermal management systems, and analyzing thermal properties in energy and industrial applications.

Multiplier

1

Offset

0

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

Btu/(h·ft²·°F)

Definition

The BTU (IT) per hour per square foot per degree Fahrenheit (Btu/(h·ft²·°F)) is an imperial unit of heat transfer coefficient equal to approximately 5.678 watts per square meter per Kelvin. It represents the rate of heat transfer per unit area per unit temperature difference, commonly used in building thermal analysis and HVAC applications where hour time units are preferred.

History/Origin

Developed for building thermal analysis and HVAC applications where hour time units are preferred, this unit became standard in building thermal analysis and HVAC system design. It provides a practical measure for heat transfer coefficient using familiar imperial and hour units.

Current Use

Commonly used in building thermal analysis, HVAC system design, and thermal engineering applications where hour time units are preferred. It is essential for calculating heat transfer rates, designing thermal insulation, and analyzing thermal performance in building applications.

Multiplier

5.678

Offset

0

Joule per Second per Square Meter per Kelvin to BTU (IT) per Hour per Square Foot per Degree Fahrenheit Conversion Table

Joule per Second per Square Meter per Kelvin [J/(s·m²·K)] BTU (IT) per Hour per Square Foot per Degree Fahrenheit [Btu/(h·ft²·°F)]
1 J/(s·m²·K) 0.17611 Btu/(h·ft²·°F)
10 J/(s·m²·K) 1.761102 Btu/(h·ft²·°F)
25 J/(s·m²·K) 4.402755 Btu/(h·ft²·°F)
50 J/(s·m²·K) 8.805509 Btu/(h·ft²·°F)
100 J/(s·m²·K) 17.611018 Btu/(h·ft²·°F)
0 J/(s·m²·K) 0E+0 Btu/(h·ft²·°F)
-10 J/(s·m²·K) -1.761102 Btu/(h·ft²·°F)
-40 J/(s·m²·K) -7.044407 Btu/(h·ft²·°F)