What Is This Tool?
This converter allows you to translate thermal conductivity measurements from Btu (IT) foot/hour/sq. foot/°F, which is commonly used in Imperial unit applications, into kilocalorie (th)/hour/meter/°C, a metric unit often applied in building and HVAC engineering contexts.
How to Use This Tool?
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Enter the thermal conductivity value in Btu (IT) foot/hour/sq. foot/°F
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Select the source unit as Btu (IT) foot/hour/sq. foot/°F
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Choose the target unit as kilocalorie (th)/hour/meter/°C
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Click the convert button to get the result
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Interpret the output value for your engineering or construction calculations
Key Features
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Converts between thermal conductivity units from Imperial to metric systems
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Supports industry-relevant unit definitions for building and HVAC materials
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Browser-based tool requiring no installations
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Provides clear unit definitions and typical use cases
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Includes example conversions for easy understanding
Examples
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2 Btu (IT) foot/hour/sq. foot/°F converts to approximately 2.9783 kilocalorie (th)/hour/meter/°C
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0.5 Btu (IT) foot/hour/sq. foot/°F converts to approximately 0.7446 kilocalorie (th)/hour/meter/°C
Common Use Cases
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Specifying thermal conductivity for building materials such as insulation, brick, and wood
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Performing steady-state conduction calculations for walls, roofs, and windows in building simulations
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Converting thermal properties between Imperial and metric units for engineering analyses
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Rating heat transfer through pipes, ducts, or heat exchanger walls in HVAC and industrial systems
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Referencing calorie-based data in older or region-specific technical standards
Tips & Best Practices
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Ensure consistent unit usage throughout your thermal analysis to avoid errors
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Be mindful of differences in temperature scales and dimensional units when applying conversions
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Use this tool for steady-state conduction scenarios with uniform material thickness
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Double-check converted values when precision is critical for safety or compliance
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Cross-reference converted data with relevant material standards when required
Limitations
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Conversion accounts for approximations between foot and meter, and between °F and °C scales
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Small rounding differences may occur due to unit equivalences
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Assumes steady-state conduction and uniform thickness, which might not represent complex real-world conditions
Frequently Asked Questions
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Why convert thermal conductivity units from Btu foot/hour/sq. foot/°F to kilocalorie/hour/meter/°C?
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Converting between these units aligns thermal conductivity data between Imperial and SI measurement systems, enabling consistent analysis in construction and HVAC applications.
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Is the conversion factor between these units exact?
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The conversion factor is an approximate value accounting for differences in length and temperature units, used for practical thermal conductivity conversions.
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Can this converter be used for non-steady-state heat transfer conditions?
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This tool is intended for steady-state conduction scenarios; complex or transient conditions may require more advanced methods.
Key Terminology
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Btu (IT) foot/hour/sq. foot/°F
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A unit of thermal conductivity describing steady heat flow in Btu per hour through a 1-foot-thick layer with 1 square foot cross-section and a 1°F temperature difference.
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Kilocalorie (th)/hour/meter/°C
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A thermal conductivity unit measuring heat flow in kilocalories per hour through a material one meter thick for a temperature difference of one degree Celsius.
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Thermal conductivity
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A material property that indicates its ability to conduct heat under steady-state conditions.