Why is the conversion factor between these units so large?

Because one unit measures heat flow per second and the other per hour, the factor accounts for the 3600-second difference in time.

In what contexts is this thermal conductivity conversion most relevant?

It is primarily used in building materials engineering, HVAC design, and energy modeling where hourly heat transfer rates are standard.

Can I convert this unit directly to SI thermal conductivity units using this tool?

This tool focuses on converting between specific Imperial thermal conductivity units; conversion to SI units requires separate calculation.

Convert Btu (th) inch/second/sq. foot/°F to Btu (th) inch/hour/sq. foot/°F

Easily convert thermal conductivity measurements from Btu (th) inch/second/sq. foot/°F to Btu (th) inch/hour/sq. foot/°F using this online unit converter for building materials and HVAC applications.

Btu (th) inch/second/sq. foot/°F

Btu (th) inch/hour/sq. foot/°F

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

Btu (th) inch/second/sq. foot/°F to Btu (th) inch/hour/sq. foot/°F Conversion Table

Btu (th) inch/second/sq. foot/°F	Btu (th) inch/hour/sq. foot/°F

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) inch/second/sq. foot/°F to Btu (th) inch/hour/sq. foot/°F Conversion Table
Btu (th) inch/second/sq. foot/°F	Btu (th) inch/hour/sq. foot/°F

Explore More Thermal Conductivity Units Converter

What Is This Tool?

This converter allows users to change thermal conductivity values from Btu (th) inch/second/sq. foot/°F to Btu (th) inch/hour/sq. foot/°F, units commonly used in U.S. customary systems for building engineering and HVAC analysis.

How to Use This Tool?

Enter the value in Btu (th) inch/second/sq. foot/°F you want to convert
Select the target unit Btu (th) inch/hour/sq. foot/°F
Click convert to get the equivalent thermal conductivity value
Use the result for building energy calculations, insulation specifications, or HVAC design

Key Features

Converts thermal conductivity units from per second to per hour basis
Supports Imperial units tailored for building materials and insulation data
Aligned with industry practices for HVAC, building envelope, and energy modeling
Browser-based and easy to use without complex formulas

Examples

Convert 2 Btu (th) inch/second/sq. foot/°F to hourly units: 2 multiplied by 3600 equals 7200 Btu (th) inch/hour/sq. foot/°F
Convert 0.5 Btu (th) inch/second/sq. foot/°F to hourly units: 0.5 times 3600 equals 1800 Btu (th) inch/hour/sq. foot/°F

Common Use Cases

Reporting thermal conductivity of insulation materials in US customary units
Performing heat transfer calculations in older or Imperial unit-based engineering standards
Converting material property data for building energy modeling and HVAC sizing
Specifying insulation resistance (R-value) by converting conductivity values appropriately

Tips & Best Practices

Carefully track units to avoid confusion caused by the large conversion factor between seconds and hours
Ensure consistent use of thermochemical Btu units when converting between different systems
Validate conversions when working with historic data or third-party documents due to possible unit convention differences
Use this conversion to align with standard hourly thermal conductivity values used in construction and analysis

Limitations

The conversion factor is large because it reflects the time difference between seconds and hours, which can cause misunderstanding
Accuracy depends on assuming thickness and area conditions remain consistent during conversion
Differences in unit standards or document conventions may require additional verification

Frequently Asked Questions

Why is the conversion factor between these units so large?: Because one unit measures heat flow per second and the other per hour, the factor accounts for the 3600-second difference in time.
In what contexts is this thermal conductivity conversion most relevant?: It is primarily used in building materials engineering, HVAC design, and energy modeling where hourly heat transfer rates are standard.
Can I convert this unit directly to SI thermal conductivity units using this tool?: This tool focuses on converting between specific Imperial thermal conductivity units; conversion to SI units requires separate calculation.

Key Terminology

Btu (th) inch/second/sq. foot/°F: An Imperial unit of thermal conductivity expressing heat transferred per second through a 1-inch thickness and 1 square foot area for a 1 °F temperature difference.
Btu (th) inch/hour/sq. foot/°F: A unit of thermal conductivity indicating heat flow per hour through a material of 1 inch thickness and 1 square foot area across 1 °F temperature difference.
Thermal conductivity: A measure of a material's ability to conduct heat through its thickness.

Quick Knowledge Check

What does the unit Btu (th) inch/second/sq. foot/°F measure?

Heat transferred per hour through a material

Heat transferred per second through a material

Heat resistance of insulation

Why must you be careful tracking units when converting between these thermal conductivities?

Because the conversion factor is very small

Because the conversion factor is large due to time differences

Because thickness changes

Which industry often uses Btu (th) inch/hour/sq. foot/°F units?

Automotive engineering

Building energy modeling and HVAC design

Pharmaceutical manufacturing

Share Us

Similar Calculators

Online Volume Lumber Units Converter Online Magnetomotive Force Units Converter Online Surface Current Density Units Converter Online Viscosity Kinematic Units Converter Online Illumination Units Converter