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

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

J/(s·m²·K)
Btu/(s·ft²·°F)

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

Conversion Formula

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

Example

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

15 J/(s·m²·K) = 15 × 0 Btu/(s·ft²·°F) = 0.001 Btu/(s·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 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

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

Joule per Second per Square Meter per Kelvin [J/(s·m²·K)] BTU (IT) per Second per Square Foot per Degree Fahrenheit [Btu/(s·ft²·°F)]
1 J/(s·m²·K) 0.000049 Btu/(s·ft²·°F)
10 J/(s·m²·K) 0.000489 Btu/(s·ft²·°F)
25 J/(s·m²·K) 0.001223 Btu/(s·ft²·°F)
50 J/(s·m²·K) 0.002446 Btu/(s·ft²·°F)
100 J/(s·m²·K) 0.004892 Btu/(s·ft²·°F)
0 J/(s·m²·K) 0E+0 Btu/(s·ft²·°F)
-10 J/(s·m²·K) -0.000489 Btu/(s·ft²·°F)
-40 J/(s·m²·K) -0.001957 Btu/(s·ft²·°F)