What Is This Tool?
This converter is designed to transform heat transfer coefficient values expressed in kilocalorie (International Table) per hour per square meter per degree Celsius into the equivalent value per square foot. This enables seamless use of thermal performance data across metric and imperial unit systems, facilitating accurate energy and HVAC calculations.
How to Use This Tool?
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Enter the heat transfer coefficient value in kilocalorie (IT)/hour/square meter/°C.
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Select the input and output units if required.
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Click convert to obtain the value in kilocalorie (IT)/hour/square foot/°C.
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Use the result for your building, HVAC, or engineering applications.
Key Features
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Converts heat transfer coefficients between metric (m²) and imperial (ft²) area units.
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Supports units commonly used in building energy calculations and HVAC design.
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Provides quick calculations based on a precise conversion factor.
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Browser-based and user-friendly interface for easy input and output.
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Suitable for thermal performance, insulation, and heat exchanger evaluations.
Examples
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5 kilocalorie (IT)/hour/square meter/°C converts to approximately 0.4645152 kilocalorie (IT)/hour/square foot/°C.
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10 kilocalorie (IT)/hour/square meter/°C converts to approximately 0.9290304 kilocalorie (IT)/hour/square foot/°C.
Common Use Cases
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Specifying U-values for walls, roofs, and windows using imperial area units in thermal performance assessments.
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Sizing HVAC systems and calculating heating or cooling loads with imperial unit requirements.
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Comparing convective heat transfer coefficients in engineering experiments reported in kcal/h and ft².
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Assessing insulation effectiveness where heat transfer rates are given per square foot basis.
Tips & Best Practices
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Ensure consistent definitions of kilocalorie units to maintain conversion accuracy.
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Use this tool for steady-state heat flow calculations only; avoid for transient or dynamic conditions.
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Apply localized calculations for complex surfaces or composite materials rather than uniform area assumptions.
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Double-check unit selections to prevent misinterpretation in energy analysis or HVAC design.
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Employ results as part of broader building energy performance or thermal insulation evaluations.
Limitations
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Accuracy depends on consistent unit definitions and may vary with rounding or kcal standard differences.
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Conversion assumes uniform surface conditions; complex geometries might require specialized methods.
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Applies only to steady-state heat transfer per unit area and temperature difference, not transient scenarios.
Frequently Asked Questions
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What does kilocalorie (IT)/hour/square meter/°C measure?
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It measures the rate of heat transfer per square meter of surface per degree Celsius temperature difference, expressed in International Table kilocalories per hour.
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Why convert between square meters and square feet for heat transfer coefficients?
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This conversion allows adaptation of heat transfer data for use in systems or standards that require imperial area units, ensuring consistency in thermal performance calculations.
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Can this conversion be used for transient heat transfer conditions?
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No, this tool is intended for steady-state heat transfer coefficients only; transient conditions need more complex analysis.
Key Terminology
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Kilocalorie (IT)/hour/square meter/°C
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A metric unit of heat transfer coefficient representing heat flow per square meter per degree Celsius using International Table kilocalories per hour.
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Kilocalorie (IT)/hour/square foot/°C
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An imperial area unit expressing heat transfer per square foot per degree Celsius using International Table kilocalories per hour.
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Heat Transfer Coefficient
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A measure of the heat flow rate through a unit area per unit temperature difference between surfaces.
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U-value
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Overall heat transfer coefficient indicating thermal performance of building components like walls and windows.