What does horsepower per square foot measure?

Horsepower per square foot quantifies power delivered or removed per unit area, used primarily to express heat flux density in thermal applications.

Why convert horsepower/square foot to Btu (th)/second/square foot?

Converting allows expressing heat flux density in Imperial units commonly used in HVAC, building science, and thermal system design.

What industries use this unit conversion?

The conversion is applied in industrial combustion, HVAC, building envelope energy assessments, fire exposure testing, and material flammability evaluation.

How to Convert from Horsepower/square foot to Btu (th)/second/square foot

Learn how to convert heat flux density from horsepower per square foot to Btu (th) per second per square foot using this easy, accurate online conversion tool designed for thermal system design, fire testing, and HVAC energy assessments.

Horsepower/square foot

Btu (th)/second/square foot

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

Horsepower/square foot to Btu (th)/second/square foot Conversion Table

Horsepower/square foot	Btu (th)/second/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.

Horsepower/square foot to Btu (th)/second/square foot Conversion Table
Horsepower/square foot	Btu (th)/second/square foot

Explore More Heat Flux Density Units Converter

What Is This Tool?

This converter allows you to translate heat flux density values from horsepower per square foot, a mechanical power unit over area, to Btu (th)/second/square foot, an Imperial unit measuring heat transfer rate per unit area. It is useful for industrial, thermal, and building energy applications.

How to Use This Tool?

Enter the heat flux density value in horsepower/square foot.
Select the target unit as Btu (th)/second/square foot.
Click convert to get the corresponding value in Btu (th)/second/square foot.
Use the result for energy calculations or thermal design purposes.

Key Features

Converts heat flux density values between horsepower/square foot and Btu (th)/second/square foot.
Supports thermal system design and fire testing applications.
Provides straightforward, browser-based unit conversion for quick results.
Utilizes established conversion factor based on mechanical horsepower and thermochemical Btu definitions.

Examples

5 horsepower/square foot equals 3.536300492 Btu (th)/second/square foot.
0.2 horsepower/square foot equals 0.1414520197 Btu (th)/second/square foot.

Common Use Cases

Rating burner or furnace heat input per grate area in industrial equipment.
Specifying radiant or convective heat flux during fire and material exposure testing.
Characterizing heat transfer rates in HVAC and building envelope energy calculations.
Quantifying surface heat flux for thermal system engineering and design.

Tips & Best Practices

Ensure consistency in horsepower and Btu definitions when converting units.
Double-check area measurements to maintain accurate heat flux density values.
Use this converter to express heat transfer rates in units suitable for your application context.
Apply the tool for validating thermal design and fire testing parameters.

Limitations

Conversion accuracy depends on using consistent mechanical horsepower and thermochemical Btu definitions.
Variations in horsepower standards or Btu values can cause discrepancies.
Measurement accuracy of area influences final heat flux density results.
The tool converts only between the specified non-SI and Imperial heat flux density units.

Frequently Asked Questions

What does horsepower per square foot measure?: Horsepower per square foot quantifies power delivered or removed per unit area, used primarily to express heat flux density in thermal applications.
Why convert horsepower/square foot to Btu (th)/second/square foot?: Converting allows expressing heat flux density in Imperial units commonly used in HVAC, building science, and thermal system design.
What industries use this unit conversion?: The conversion is applied in industrial combustion, HVAC, building envelope energy assessments, fire exposure testing, and material flammability evaluation.

Key Terminology

Horsepower per square foot (hp/ft²): A non-SI heat flux density unit expressing mechanical power per unit area, commonly used in industrial thermal contexts.
Btu (th)/second/square foot: An Imperial heat flux density unit measuring heat transfer rate per unit area using thermochemical British thermal units.

Quick Knowledge Check

What does 1 horsepower/square foot convert to in Btu (th)/second/square foot?

0.5 Btu (th)/s/ft²

0.7072600984 Btu (th)/s/ft²

1.2 Btu (th)/s/ft²

What is the main application for converting between these units?

Cooking recipes

Thermal system design and fire testing

Measuring electrical voltage

Which factor can affect conversion accuracy between hp/ft² and Btu (th)/s/ft²?

Inconsistent horsepower or Btu standards

External humidity

Color of surface

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