What does 1 Btu (IT) foot/hour/sq. foot/°F represent?

It represents the steady heat flow in Btu per hour through a 1-foot thick material with 1 square foot cross-sectional area and a 1°F temperature difference.

Why convert to Btu (IT) inch/second/sq. foot/°F?

This unit is useful when dealing with heat transfer over one-inch thickness and per second time scale, often used in US customary calculations and detailed HVAC analyses.

Can this converter be used for convective heat transfer?

No, this conversion applies primarily to conductive heat transfer in solids and does not cover convective or radiative heat transfer.

How to Convert from Btu (IT) foot/hour/sq. foot/°F to Btu (IT) inch/second/sq. foot/°F

Learn how to convert thermal conductivity units from Btu (IT) foot/hour/sq. foot/°F to Btu (IT) inch/second/sq. foot/°F for engineering and construction applications.

Btu (IT) foot/hour/sq. foot/°F

Btu (IT) inch/second/sq. foot/°F

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

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

Explore More Thermal Conductivity Units Converter

What Is This Tool?

This converter allows you to change thermal conductivity measurements from Btu (IT) foot/hour/sq. foot/°F to Btu (IT) inch/second/sq. foot/°F. These units represent heat flow through materials using different base time and length scales common in building sciences and engineering.

How to Use This Tool?

Enter the value in Btu (IT) foot/hour/sq. foot/°F that you want to convert.
Select the input unit as Btu (IT) foot/hour/sq. foot/°F and output unit as Btu (IT) inch/second/sq. foot/°F.
Click the convert button to get the equivalent value in the target unit.
Use the converted value for thermal conductivity assessments in engineering or building design.

Key Features

Converts thermal conductivity values between foot-hour and inch-second based units
Supports common customary units used in building and HVAC engineering
Browser-based tool with simple input and output fields
Enables translation between different unit systems for consistent analyses
Includes examples for practical understanding of conversions

Examples

10 Btu (IT) foot/hour/sq. foot/°F = 0.033333333 Btu (IT) inch/second/sq. foot/°F
5 Btu (IT) foot/hour/sq. foot/°F = 0.0166666665 Btu (IT) inch/second/sq. foot/°F

Common Use Cases

Determining thermal conductivity of building materials like insulation, brick, and wood.
Performing steady-state conduction calculations in building constructions and HVAC simulations.
Converting thermal property data between Imperial and SI systems for engineering analyses.
Supporting heat-transfer calculations in customary units for building-envelope performance.

Tips & Best Practices

Ensure units are consistent throughout thermal models to avoid calculation errors.
Use this tool for steady-state heat conduction scenarios where one-dimensional heat flow is assumed.
Confirm that the material thickness and temperature gradient inputs match the unit system used.
Double-check conversions when integrating with SI units to maintain accuracy in engineering designs.

Limitations

Applicable only to steady-state, one-dimensional heat conduction with linear temperature gradients.
Different time and length scales require careful handling to maintain unit consistency.
Not suited for convective or radiative heat transfer conditions.

Frequently Asked Questions

What does 1 Btu (IT) foot/hour/sq. foot/°F represent?: It represents the steady heat flow in Btu per hour through a 1-foot thick material with 1 square foot cross-sectional area and a 1°F temperature difference.
Why convert to Btu (IT) inch/second/sq. foot/°F?: This unit is useful when dealing with heat transfer over one-inch thickness and per second time scale, often used in US customary calculations and detailed HVAC analyses.
Can this converter be used for convective heat transfer?: No, this conversion applies primarily to conductive heat transfer in solids and does not cover convective or radiative heat transfer.

Key Terminology

Btu (IT) foot/hour/sq. foot/°F: Thermal conductivity unit indicating heat flow in Btu per hour through a 1-foot thick material with 1 sq. ft. area for a 1°F temperature difference.
Btu (IT) inch/second/sq. foot/°F: Thermal conductivity unit measuring heat flow in Btu per second through a 1-inch thick material with 1 sq. ft. area for a 1°F temperature difference.
Thermal conductivity: A property that quantifies the ability of a material to conduct heat through a specified thickness, area, and temperature gradient.

Quick Knowledge Check

What type of heat transfer does this conversion primarily apply to?

Convective heat transfer

Conductive heat transfer

Radiative heat transfer

Which time unit is used in Btu (IT) inch/second/sq. foot/°F?

Hour

Second

Minute

What thickness does 1 Btu (IT) foot/hour/sq. foot/°F consider for conduction?

One inch

One foot

One meter

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