Watt per Square Meter per Kelvin to Kilocalorie (IT) per Hour per Square Foot per Degree Celsius Conversion

Convert between Watt per Square Meter per Kelvin and Kilocalorie (IT) per Hour per Square Foot per Degree Celsius quickly and accurately.

W/(m²·K)
kcal/(h·ft²·°C)

How to Convert Watt per Square Meter per Kelvin to Kilocalorie (IT) per Hour per Square Foot per Degree Celsius

Conversion Formula

1 W/(m²·K) = 0.08 kcal/(h·ft²·°C)
1 kcal/(h·ft²·°C) = 12.518 W/(m²·K)

Example

Convert 15 W/(m²·K) to kcal/(h·ft²·°C):

15 W/(m²·K) = 15 × 0.08 kcal/(h·ft²·°C) = 1.198 kcal/(h·ft²·°C)

Unit Information

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

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

Kilocalorie (IT) per Hour per Square Foot per Degree Celsius

kcal/(h·ft²·°C)

Definition

The kilocalorie (IT) per hour per square foot per degree Celsius (kcal/(h·ft²·°C)) is an imperial unit of heat transfer coefficient equal to approximately 12.52 watts per square meter per Kelvin. It represents the rate of heat transfer per unit area per unit temperature difference, commonly used in HVAC and building thermal analysis applications in the United States.

History/Origin

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

Current Use

Commonly used in HVAC system design, building thermal analysis, and energy efficiency applications in the United States where imperial units are preferred. It is essential for calculating heat transfer rates, designing thermal insulation, and analyzing thermal performance in imperial unit systems.

Multiplier

12.518

Offset

0

Watt per Square Meter per Kelvin to Kilocalorie (IT) per Hour per Square Foot per Degree Celsius Conversion Table

Watt per Square Meter per Kelvin [W/(m²·K)] Kilocalorie (IT) per Hour per Square Foot per Degree Celsius [kcal/(h·ft²·°C)]
1 W/(m²·K) 0.079882 kcal/(h·ft²·°C)
10 W/(m²·K) 0.798822 kcal/(h·ft²·°C)
25 W/(m²·K) 1.997056 kcal/(h·ft²·°C)
50 W/(m²·K) 3.994112 kcal/(h·ft²·°C)
100 W/(m²·K) 7.988224 kcal/(h·ft²·°C)
0 W/(m²·K) 0E+0 kcal/(h·ft²·°C)
-10 W/(m²·K) -0.798822 kcal/(h·ft²·°C)
-40 W/(m²·K) -3.195289 kcal/(h·ft²·°C)