Online Thermal Conductivity Units Converter
How to Convert from Btu (IT) foot/hour/sq. foot/°F to Watt/meter/K [W/(m*K)]?

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

Learn how to convert thermal conductivity values from Btu (IT) foot/hour/sq. foot/°F to the SI unit watt/meter/K [W/(m*K)] using straightforward steps to aid building, HVAC, and engineering applications.

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

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

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
Btu (IT) foot/hour/sq. foot/°F to Watt/meter/K [W/(m*K)] Conversion Table
Btu (IT) foot/hour/sq. foot/°F Watt/meter/K [W/(m*K)]

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What Is This Tool?

This converter transforms thermal conductivity measurements from the Imperial unit Btu (IT) foot/hour/square foot/°F to the SI derived unit watt/meter/K [W/(m*K)]. It supports applications in construction, HVAC design, and material science by enabling conversions between measurement systems.

How to Use This Tool?

  • Enter the thermal conductivity value in Btu (IT) foot/hour/sq. foot/°F.
  • Select the source unit as Btu (IT) foot/hour/sq. foot/°F.
  • Choose the target unit watt/meter/K [W/(m*K)].
  • Click convert to get the equivalent value in watts per meter per kelvin.

Key Features

  • Converts thermal conductivity between Imperial and metric units accurately.
  • Supports building and HVAC material specification calculations.
  • Browser-based and easy to use without software installation.
  • Facilitates engineering analyses involving heat transfer properties.

Examples

  • 2 Btu/(h·ft·°F) converts to approximately 3.4615 W/(m·K).
  • 0.5 Btu/(h·ft·°F) converts to approximately 0.8654 W/(m·K).

Common Use Cases

  • Specifying thermal conductivity for building materials like insulation and brick.
  • Performing steady-state heat conduction calculations in building simulations.
  • Translating thermal properties between Imperial and SI units for engineering analyses.

Tips & Best Practices

  • Ensure consistent material thickness and temperature scale units to avoid conversion errors.
  • Use the tool for steady-state conduction scenarios with uniform material properties.
  • Verify converted values when working with international standards and regulations.

Limitations

  • Unit differences in thickness (feet vs meters) and temperature (°F vs K) require caution.
  • The tool assumes steady-state and isotropic conditions; transient or anisotropic cases need specialized methods.
  • Imperial units are less common internationally, so careful verification is essential.

Frequently Asked Questions

What does Btu (IT) foot/hour/sq. foot/°F measure?
It measures thermal conductivity as heat flow in Btu per hour through a 1-foot-thick material with 1 ft² area and a 1°F temperature difference.

Why convert to watt/meter/K [W/(m*K)]?
Because it is the SI derived unit widely used in international engineering and scientific applications for thermal conductivity.

Is the conversion valid for transient heat transfer?
No, the conversion assumes steady-state conduction and uniform properties, not transient or varying conditions.

Key Terminology

Btu (IT) foot/hour/sq. foot/°F
An Imperial unit of thermal conductivity representing steady heat flow through a 1-foot thickness for a 1°F temperature difference.
Watt/meter/K [W/(m*K)]
The SI derived unit measuring thermal conductivity, indicating heat transfer rate per meter thickness and kelvin temperature difference.
Thermal Conductivity
A material property quantifying the rate at which heat passes through a material.

Quick Knowledge Check

What unit does Btu (IT) foot/hour/sq. foot/°F measure?
Which unit is the SI derived measure for thermal conductivity?
When using the converter, what condition is assumed for heat transfer?