What does Btu (th) foot/hour/sq. foot/°F measure?

It measures thermal conductivity as the heat transferred in Btu per hour through a 1-foot thickness with a 1 square-foot area for a 1 °F temperature difference.

Why convert Btu (th) foot/hour/sq. foot/°F to W/(m·K)?

Converting to W/(m·K) allows compatibility with international standards and SI units used in scientific and engineering calculations globally.

Can this conversion be used for materials with varying thermal properties?

This conversion assumes homogeneous material properties and steady-state conditions, so it may not account for anisotropic or time-dependent thermal behavior.

How to Convert Btu (th) foot/hour/sq. foot/°F to Watt/meter/K [W/(m*K)]?

Learn how to convert thermal conductivity values from Btu (th) foot/hour/sq. foot/°F to Watt/meter/K [W/(m*K)], enabling accurate unit translation for engineering and construction applications.

Btu (th) foot/hour/sq. foot/°F

Watt/meter/K [W/(m*K)]

Please check your input. It must be a valid numeric value.

Btu (th) foot/hour/sq. foot/°F to Watt/meter/K [W/(m*K)] Conversion Table

Btu (th) foot/hour/sq. foot/°F	Watt/meter/K [W/(m*K)]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Btu (th) foot/hour/sq. foot/°F to Watt/meter/K [W/(m*K)] Conversion Table
Btu (th) foot/hour/sq. foot/°F	Watt/meter/K [W/(m*K)]

Explore More Thermal Conductivity Units Converter

What Is This Tool?

This unit converter transforms thermal conductivity measurements from Btu (th) foot/hour/sq. foot/°F, used primarily in Imperial unit systems, into the SI unit Watt per meter per kelvin (W/(m·K)). It aids in translating thermal conductivity values to facilitate engineering, building design, and scientific calculations across different measurement standards.

How to Use This Tool?

Enter the value in Btu (th) foot/hour/sq. foot/°F you want to convert.
Select the input unit as Btu (th) foot/hour/sq. foot/°F and the output unit as Watt/meter/K [W/(m*K)].
Execute the conversion to view the equivalent value in W/(m·K).

Key Features

Converts thermal conductivity units between imperial and SI systems.
Provides quick calculations for accurate heat transfer assessments.
Supports building material, HVAC, and thermal design applications.
Easy to use with a straightforward input and output format.
Facilitates international collaboration by standardizing unit representation.

Examples

2 Btu (th) foot/hour/sq. foot/°F converts to approximately 3.459 W/(m·K).
0.5 Btu (th) foot/hour/sq. foot/°F equals roughly 0.865 W/(m·K).

Common Use Cases

Specifying thermal conductivity of building materials and insulation using imperial units and converting to SI.
Performing heat transfer calculations in building design, HVAC systems, and construction projects.
Designing electronic cooling systems and thermal management using standardized SI units.
Modeling heat transfer in geotechnical and geothermal engineering contexts.

Tips & Best Practices

Always confirm the units before converting for consistent results.
Use the converted SI values for international standards and engineering compliance.
Apply the tool for steady-state and homogeneous material scenarios only.
Cross-check conversion results when working with materials showing anisotropic or transient thermal behavior.

Limitations

Assumes steady-state heat conduction without accounting for transient effects.
Does not consider material anisotropy or variations in thermal properties.
Accuracy is reliant on the precision of the provided conversion factor.

Frequently Asked Questions

What does Btu (th) foot/hour/sq. foot/°F measure?: It measures thermal conductivity as the heat transferred in Btu per hour through a 1-foot thickness with a 1 square-foot area for a 1 °F temperature difference.
Why convert Btu (th) foot/hour/sq. foot/°F to W/(m·K)?: Converting to W/(m·K) allows compatibility with international standards and SI units used in scientific and engineering calculations globally.
Can this conversion be used for materials with varying thermal properties?: This conversion assumes homogeneous material properties and steady-state conditions, so it may not account for anisotropic or time-dependent thermal behavior.

Key Terminology

Btu (th) foot/hour/sq. foot/°F: An imperial unit measuring thermal conductivity as the heat transfer rate through a material of one-foot thickness and one square foot area per hour per degree Fahrenheit temperature difference.
Watt/meter/K [W/(m*K)]: The SI derived unit of thermal conductivity indicating heat transfer rate per meter thickness and per kelvin temperature difference.
Thermal Conductivity: A physical property that quantifies the ability of a material to conduct heat.

Quick Knowledge Check

What is the SI unit equivalent to Btu (th) foot/hour/sq. foot/°F?

Watt/meter/K [W/(m*K)]

Joule/second [J/s]

Calorie/second

In which field is converting thermal conductivity from imperial to SI units commonly applied?

Building and construction

Automotive manufacturing

Agriculture

What must be true for the conversion assumptions to hold?

Steady-state heat conduction and homogeneous materials

Transient heat conduction and heterogeneous materials

No heat transfer occurs

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