What does foot pound/minute/square foot measure?

It measures heat flux density by defining energy transferred (in foot-pounds) per minute across each square foot of surface area.

Why convert to Btu (th)/hour/square foot?

Because Btu (th)/hour/square foot is a common unit in building science and HVAC for heat transfer rates, facilitating clearer communication and compliance.

Can this conversion be used for dynamic heat transfer?

The conversion assumes steady state heat transfer and uniform area, so caution is advised when applying it in dynamic or mixed-unit situations.

How to Convert from Foot pound/minute/square foot to Btu (th)/hour/square foot?

Learn how to convert heat flux density values from foot pound per minute per square foot to Btu (thermal)/hour/square foot for accurate HVAC and building science calculations.

Foot pound/minute/square foot

Btu (th)/hour/square foot

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

Foot pound/minute/square foot to Btu (th)/hour/square foot Conversion Table

Foot pound/minute/square foot	Btu (th)/hour/square foot

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.

Foot pound/minute/square foot to Btu (th)/hour/square foot Conversion Table
Foot pound/minute/square foot	Btu (th)/hour/square foot

Explore More Heat Flux Density Units Converter

What Is This Tool?

This converter changes heat flux density measurements from foot pound per minute per square foot to Btu (th)/hour/square foot. It helps translate older imperial-based heat transfer rates into a unit widely used in building science and HVAC design for easier interpretation and compliance.

How to Use This Tool?

Enter the heat flux density value in foot pound/minute/square foot
Select foot pound/minute/square foot as the input unit
Choose Btu (th)/hour/square foot as the desired output unit
Click convert to get the value in Btu (th)/hour/square foot

Key Features

Converts heat flux density between foot pound/minute/square foot and Btu (th)/hour/square foot
Based on a precise conversion rate between these two units
Supports legacy imperial unit interpretation in modern contexts
Useful for building envelope and HVAC thermal performance analysis

Examples

Convert 10 foot pound/minute/square foot to Btu (th)/hour/square foot results in approximately 0.771556471 Btu (th)/hour/square foot
Convert 50 foot pound/minute/square foot to Btu (th)/hour/square foot results in approximately 3.857782355 Btu (th)/hour/square foot

Common Use Cases

Describing heat loss or gain in older U.S. engineering or HVAC documents using imperial units
Specifying radiant or convective heat flux from heaters or furnaces in legacy technical reports
Reporting thermal-flux measurements when converting between imperial and widely used thermochemical British thermal unit standards
Expressing building insulation performance, window and wall U-factors, and energy-code compliance

Tips & Best Practices

Ensure input measurements correspond to steady-state conditions for best accuracy
Use the converter to maintain consistency when integrating legacy and modern datasets
Double-check units when preparing HVAC load calculations or building envelope analyses
Remember the conversion applies per unit area and time; keep units consistent throughout calculations

Limitations

Applies under assumption of steady state heat transfer and uniform surface area
Conversion may have minor discrepancies due to differences in time units and energy definitions
Not intended for dynamic systems or mixed-unit conditions without additional considerations

Frequently Asked Questions

What does foot pound/minute/square foot measure?: It measures heat flux density by defining energy transferred (in foot-pounds) per minute across each square foot of surface area.
Why convert to Btu (th)/hour/square foot?: Because Btu (th)/hour/square foot is a common unit in building science and HVAC for heat transfer rates, facilitating clearer communication and compliance.
Can this conversion be used for dynamic heat transfer?: The conversion assumes steady state heat transfer and uniform area, so caution is advised when applying it in dynamic or mixed-unit situations.

Key Terminology

Foot pound/minute/square foot: A heat flux density unit representing the energy transferred in foot-pounds each minute across one square foot of area.
Btu (th)/hour/square foot: A heat flux density unit expressing how many thermochemical British thermal units of heat pass through one square foot every hour.
Heat flux density: The rate of heat energy transfer per unit area, typically expressed as energy/time/area.

Quick Knowledge Check

What type of measurement does foot pound/minute/square foot represent?

Temperature difference over time

Heat flux density (energy transfer rate per unit area)

Mass flow rate per unit area

Why is converting to Btu (th)/hour/square foot useful?

It is a standard unit widely used in HVAC and building science

It measures pressure instead of energy units

It converts metric units into imperial units

What assumption does this conversion rely on?

Variable heat transfer with changing surface area

Steady state heat transfer and uniform surface area

Dynamic energy exchange with mixed units

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