What does Btu (th)/minute/square foot measure?

It measures the rate of heat transfer per square foot of surface area per minute, used in thermal and HVAC engineering.

When should I use Btu (th)/second/square inch?

Use it for high-intensity heat flux measurements over small surfaces and short time frames, such as in fire testing or welding applications.

How is the conversion done between these units?

By multiplying the value in Btu (th)/minute/square foot by the factor 0.0001157407 to get the equivalent in Btu (th)/second/square inch.

How to Convert from Btu (th)/minute/square foot to Btu (th)/second/square inch?

Convert heat flux density values from Btu (th)/minute/square foot to Btu (th)/second/square inch using this simple and precise online unit converter. Ideal for HVAC, fire testing, and industrial applications.

Btu (th)/minute/square foot

Btu (th)/second/square inch

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

Btu (th)/minute/square foot to Btu (th)/second/square inch Conversion Table

Btu (th)/minute/square foot	Btu (th)/second/square inch

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)/minute/square foot to Btu (th)/second/square inch Conversion Table
Btu (th)/minute/square foot	Btu (th)/second/square inch

Explore More Heat Flux Density Units Converter

What Is This Tool?

This converter allows you to change heat flux density measurements from Btu (th)/minute/square foot to Btu (th)/second/square inch. It facilitates detailed analysis of heat flow rates over smaller areas and shorter time periods, useful in various scientific and engineering fields.

How to Use This Tool?

Enter the heat flux density value in Btu (th)/minute/square foot.
Select Btu (th)/minute/square foot as the original unit.
Choose Btu (th)/second/square inch as the target unit.
Click convert to obtain the equivalent heat flux density.

Key Features

Converts heat flux density between two specific units with a precise factor.
Supports analysis for thermal, HVAC, fire safety, and industrial processes.
Browser-based tool requiring no installation for quick and easy use.

Examples

10 Btu (th)/minute/square foot equals 0.001157407 Btu (th)/second/square inch.
100 Btu (th)/minute/square foot converts to 0.01157407 Btu (th)/second/square inch.

Common Use Cases

Calculating heat loss or gain in building components for HVAC load assessments.
Measuring radiant heat flux during fire-protection engineering and fire tests.
Assessing intense localized heat inputs in welding, plasma, and propulsion experiments.

Tips & Best Practices

Always verify that source and target units are correctly selected before converting.
Use this converter to analyze small-area, short-duration heat flux data accurately.
Consider the magnitude difference between units when interpreting results.

Limitations

Unit differences in area and time scales require careful application of conversion factors.
Btu (th)/second/square inch represents very high heat fluxes, making it less suited for low heat flow measurements common in building physics.

Frequently Asked Questions

What does Btu (th)/minute/square foot measure?: It measures the rate of heat transfer per square foot of surface area per minute, used in thermal and HVAC engineering.
When should I use Btu (th)/second/square inch?: Use it for high-intensity heat flux measurements over small surfaces and short time frames, such as in fire testing or welding applications.
How is the conversion done between these units?: By multiplying the value in Btu (th)/minute/square foot by the factor 0.0001157407 to get the equivalent in Btu (th)/second/square inch.

Key Terminology

Btu (th)/minute/square foot: A unit quantifying heat flow rate per square foot per minute using British thermal units thermochemical scale.
Btu (th)/second/square inch: A unit representing heat transfer rate per second through a square inch area using thermal British thermal units.
Heat Flux Density: The measure of thermal energy transfer per unit area over time.

Quick Knowledge Check

What area unit change is involved in converting from Btu (th)/minute/square foot to Btu (th)/second/square inch?

Square meter to square foot

Square foot to square inch

Square inch to square foot

Which field commonly uses Btu (th)/second/square inch for heat flux analysis?

Fire-protection engineering

Agriculture

Oceanography

What is the conversion factor from Btu (th)/minute/square foot to Btu (th)/second/square inch?

0.0001157407

0.01157407

1.635 × 10^6

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