Online Heat Transfer Coefficient Units Converter
Convert Watt/Square Meter/K to Btu (th)/Second/Square Foot/°F

Convert Watt/Square Meter/K to Btu (th)/Second/Square Foot/°F

Easily convert heat transfer coefficients from watt per square meter per kelvin (W·m⁻²·K⁻¹) to Btu (thermal) per second per square foot per degree Fahrenheit (Btu/th · s⁻¹ · ft⁻² · °F⁻¹) for HVAC, building, and thermal management applications.

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Watt/square meter/K to Btu (th)/second/square foot/%b0F Conversion Table

Watt/square meter/K Btu (th)/second/square foot/%b0F

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/square meter/K to Btu (th)/second/square foot/%b0F Conversion Table
Watt/square meter/K Btu (th)/second/square foot/%b0F

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What Is This Tool?

This tool converts heat transfer coefficients from the SI unit watt per square meter per kelvin to the imperial unit Btu (thermal) per second per square foot per degree Fahrenheit. It is useful for engineers and designers who need to work across both metric and imperial measurement systems in thermal analysis.

How to Use This Tool?

  • Enter the value in watt per square meter per kelvin you wish to convert.
  • Select watt/square meter/K as the input unit and Btu (th)/second/square foot/°F as the target unit.
  • Click the convert button to see the equivalent value in the imperial unit.
  • Use the converted value for compatible thermal design and analysis.

Key Features

  • Converts heat transfer coefficients between watt/m²/K and Btu(th)/s/ft²/°F.
  • Supports applications in HVAC, building envelope analysis, and electronic thermal management.
  • Easy-to-use interface for fast unit conversion.
  • Browser-based tool requiring no installation.

Examples

  • 10 watt/square meter/K equals 0.000489522 Btu (th)/second/square foot/°F.
  • 100 watt/square meter/K equals 0.00489522 Btu (th)/second/square foot/°F.

Common Use Cases

  • Specifying convective heat transfer coefficients in HVAC systems using imperial units.
  • Calculating heat loss through building components like walls and windows in Btu and ft².
  • Evaluating thermal performance of electronic device heatsinks with imperial measurements.

Tips & Best Practices

  • Ensure temperature difference units are consistent when using this conversion.
  • Double-check values when dealing with very small or very large coefficients due to the conversion scale.
  • Use this tool primarily for steady-state heat transfer coefficient conversions.

Limitations

  • Assumes temperature differences are in kelvin vs. degrees Fahrenheit; unit consistency is critical.
  • Rounding may affect accuracy for extremely small or large values.
  • Not applicable for transient or nonlinear heat transfer conditions.

Frequently Asked Questions

What units does this converter support?
It converts heat transfer coefficients from watt per square meter per kelvin (W·m⁻²·K⁻¹) to Btu (thermal) per second per square foot per degree Fahrenheit (Btu/th · s⁻¹ · ft⁻² · °F⁻¹).

In which industries is this conversion commonly used?
This conversion is widely used in HVAC engineering, building design, electronic thermal management, and heat exchanger evaluations where both metric and imperial units apply.

Are there any important considerations when using this converter?
Yes, users must pay attention to the temperature scale difference and be aware this conversion is intended for steady-state heat transfer coefficients only.

Key Terminology

Watt per square meter per kelvin (W·m⁻²·K⁻¹)
The SI unit of heat transfer coefficient indicating heat flux per unit area per kelvin temperature difference.
Btu (thermal) per second per square foot per degree Fahrenheit (Btu/th · s⁻¹ · ft⁻² · °F⁻¹)
Imperial unit expressing heat transfer rate over area per degree Fahrenheit temperature difference.
Heat Transfer Coefficient
A measure of thermal energy transfer rate per unit surface area per temperature difference between the surface and surroundings.

Quick Knowledge Check

Which unit does watt per square meter per kelvin measure?
For which application would you use the Btu (th)/second/square foot/°F unit?
What should you ensure when converting between these heat transfer units?