What does Btu (th)/hour/square foot/°F measure?

It measures the rate of heat transfer through a unit area per degree Fahrenheit temperature difference, commonly used for convective or conductive heat flow quantification.

Why convert to Btu (IT)/second/square foot/°F?

Converting to this unit helps align heat transfer coefficient values with power calculations based on per-second intervals, which is useful in HVAC and refrigeration engineering.

Can this conversion be used for total heat energy?

No, this tool is specifically for converting heat transfer coefficient units and does not apply to total heat energy or unrelated power values.

How to Convert from Btu (th)/hour/square foot/°F to Btu (IT)/second/square foot/°F?

Learn how to convert heat transfer coefficient units from Btu (th)/hour/square foot/°F to Btu (IT)/second/square foot/°F. This guide provides definitions, practical use cases, and examples for accurate unit conversion in thermal and HVAC engineering.

Btu (th)/hour/square foot/%b0F

Btu (IT)/second/square foot/%b0F

Please check your input. It must be a valid numeric value.

Btu (th)/hour/square foot/%b0F to Btu (IT)/second/square foot/%b0F Conversion Table

Btu (th)/hour/square foot/%b0F	Btu (IT)/second/square foot/%b0F

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Btu (th)/hour/square foot/%b0F to Btu (IT)/second/square foot/%b0F Conversion Table
Btu (th)/hour/square foot/%b0F	Btu (IT)/second/square foot/%b0F

Explore More Heat Transfer Coefficient Units Converter

What Is This Tool?

This converter helps transform heat transfer coefficient measurements from Btu (th) per hour per square foot per degree Fahrenheit to Btu (IT) per second per square foot per degree Fahrenheit. It is designed for engineers and professionals working with thermal transmittance and heat transfer rates in US customary units.

How to Use This Tool?

Enter a value in Btu (th)/hour/square foot/°F representing the heat transfer coefficient.
Select the target unit as Btu (IT)/second/square foot/°F.
Click the convert button to see the equivalent value in the desired unit.
Use the provided examples to verify and understand your conversions.

Key Features

Converts heat transfer coefficients between two imperial unit formats.
Includes clear definitions for each unit to aid understanding.
Supports use in thermal engineering, HVAC, and building energy analysis.
Browser-based and easy to use with simple input and output fields.
Provides example conversions for practical reference.

Examples

10 Btu (th)/hour/square foot/°F converts to 0.00277592 Btu (IT)/second/square foot/°F.
100 Btu (th)/hour/square foot/°F converts to 0.0277592 Btu (IT)/second/square foot/°F.

Common Use Cases

Specifying U-values for building components in energy efficiency calculations.
Sizing and evaluating HVAC heat exchangers and radiators.
Comparing insulation properties to determine heat loss or gain.
Rating convective and overall heat-transfer coefficients in engineering.
Performing thermal envelope assessments with US customary units.

Tips & Best Practices

Ensure units of area (square foot) and temperature difference (°F) remain consistent when converting.
Use this tool to switch between hourly and per-second time bases for clear power rating comparisons.
Double-check conversions using provided examples before applying to critical calculations.
Consider minor differences between Btu (th) and Btu (IT) if high precision is required.
Apply the conversion strictly to heat transfer coefficients, not total heat energy.

Limitations

The conversion assumes temperature difference and area units remain unchanged (°F and square foot).
Only applies to heat transfer coefficient units, not total heat energy or power measurements.
Small distinctions between Btu (th) and Btu (IT) units exist and may affect precise thermodynamic calculations.
Does not cover conversions outside the specified unit pair.

Frequently Asked Questions

What does Btu (th)/hour/square foot/°F measure?: It measures the rate of heat transfer through a unit area per degree Fahrenheit temperature difference, commonly used for convective or conductive heat flow quantification.
Why convert to Btu (IT)/second/square foot/°F?: Converting to this unit helps align heat transfer coefficient values with power calculations based on per-second intervals, which is useful in HVAC and refrigeration engineering.
Can this conversion be used for total heat energy?: No, this tool is specifically for converting heat transfer coefficient units and does not apply to total heat energy or unrelated power values.

Key Terminology

Btu (th)/hour/square foot/°F: A unit quantifying heat transfer rate through one square foot area for a one-degree Fahrenheit difference, expressed per hour.
Btu (IT)/second/square foot/°F: An imperial unit expressing heat transfer power per square foot area per degree Fahrenheit difference, measured per second.
Heat transfer coefficient: A measure of convective or conductive heat flow rate per unit area and temperature difference.

Quick Knowledge Check

What units remain constant during this conversion?

Temperature difference in Celsius

Temperature difference in Fahrenheit

Area in square meters

Which unit measures heat transfer per second per square foot per degree Fahrenheit?

Btu (th)/hour/square foot/°F

Btu (IT)/second/square foot/°F

Watt per square meter per Kelvin

In which field is this unit conversion most applicable?

HVAC engineering

Chemical analysis

Computer programming

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