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

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

Learn how to convert thermal conductivity values from watt per meter per kelvin (W/(m·K)) to Btu (th) inch/second/sq. foot/°F with this easy-to-use online converter tool.

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

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

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

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What Is This Tool?

This tool converts thermal conductivity measurements from the SI unit watt per meter per kelvin (W/(m·K)) to the Imperial unit Btu (th) inch/second/sq. foot/°F. It helps translate values between unit systems commonly used in building, HVAC, electronics, and geothermal engineering.

How to Use This Tool?

  • Enter the thermal conductivity value in watt per meter per kelvin [W/(m*K)]
  • Select watt/meter/K as the input unit and Btu (th) inch/second/sq. foot/°F as the output unit
  • Click the convert button to see the result instantly
  • Use the output value for engineering analyses or reporting in Imperial units

Key Features

  • Converts thermal conductivity units between SI and Imperial systems
  • Supports conversion from watt/meter/K [W/(m*K)] to Btu (th) inch/second/sq. foot/°F
  • Browser-based and easy to use without software installation
  • Provides quick and accurate unit transformation for engineering and construction applications

Examples

  • Convert 5 W/(m·K): 5 × 0.0019272533 = 0.0096362665 Btu (th) inch/(s·ft²·°F)
  • Convert 10 W/(m·K): 10 × 0.0019272533 = 0.019272533 Btu (th) inch/(s·ft²·°F)

Common Use Cases

  • Specifying thermal performance of building insulation using US customary units
  • Performing conduction heat transfer calculations in Imperial units for older engineering standards
  • Converting material thermal conductivity data between SI and Imperial units for HVAC and building-envelope assessments

Tips & Best Practices

  • Ensure consistent unit conditions such as thickness, area, and temperature difference when applying conversions
  • Keep in mind this conversion assumes steady-state heat conduction through uniform materials
  • Use converted values carefully in precision-sensitive calculations due to minor rounding differences

Limitations

  • Assumes steady-state heat transfer in uniform materials
  • Specific to thermochemical Btu and requires consistent physical conditions for proper use
  • Minor discrepancies might occur in engineering calculations due to unit definition differences and rounding

Frequently Asked Questions

What does watt per meter per kelvin measure?
It measures the rate of heat transfer through a material per unit area and temperature gradient across a one-meter thickness, used in thermal conductivity.

Why convert to Btu (th) inch/second/sq. foot/°F?
To express thermal conductivity in US customary units for compatibility with HVAC designs, building-envelope calculations, and older engineering standards.

Are there limitations to this conversion?
Yes, the conversion assumes steady-state conduction and consistent unit conditions and may have minor precision discrepancies due to unit differences.

Key Terminology

Watt per meter per kelvin [W/(m·K)]
An SI derived unit measuring thermal conductivity as heat transfer rate through a material per meter thickness per kelvin temperature difference.
Btu (th) inch/second/sq. foot/°F
An Imperial thermal conductivity unit representing heat transferred per second through a 1-inch thickness with 1 square foot area at 1 °F temperature difference.
Thermal conductivity
A property indicating how well a material conducts heat, important for heat transfer calculations.

Quick Knowledge Check

What unit does Watt/meter/K [W/(m*K)] represent?
In what scenarios is converting to Btu (th) inch/second/sq. foot/°F most useful?
What assumption is important when using this thermal conductivity conversion?