Why convert between Btu (IT)/s/ft² and calorie (th)/s/cm²?

Conversion allows users to compare heat flux density data reported in different unit systems used in various industries and historical contexts.

What is the conversion rate between these units?

1 Btu (IT)/second/square foot equals approximately 0.271427502 calorie (th)/second/square centimeter.

Are there any accuracy concerns using this conversion?

Yes, slight variations can occur due to differences in non-SI unit definitions and assumptions about steady-state and uniform surface area conditions.

How to Convert from Btu (IT)/second/square foot to Calorie (th)/second/square centimeter

Learn how to convert heat flux density measurements from Btu (IT)/second/square foot to calorie (th)/second/square centimeter. Understand unit definitions, applications, and conversion formula for accurate thermal data comparisons.

Btu (IT)/second/square foot

Calorie (th)/second/square centimeter

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

Btu (IT)/second/square foot to Calorie (th)/second/square centimeter Conversion Table

Btu (IT)/second/square foot	Calorie (th)/second/square centimeter

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)/second/square foot to Calorie (th)/second/square centimeter Conversion Table
Btu (IT)/second/square foot	Calorie (th)/second/square centimeter

Explore More Heat Flux Density Units Converter

What Is This Tool?

This unit converter helps translate heat flux density values from Btu (IT)/second/square foot to calorie (th)/second/square centimeter, two commonly used units quantifying thermal power transferred per unit area. It supports work in fire testing, laboratory calorimetry, and thermal materials research.

How to Use This Tool?

Enter the heat flux value measured in Btu (IT)/second/square foot
Select the unit you wish to convert to: calorie (th)/second/square centimeter
Click the convert button to obtain the equivalent heat flux density
Review the result expressed in calorie (th)/s/cm²
Use the conversion to analyze or report thermal data across different measurement standards

Key Features

Converts heat flux density values between Btu (IT)/s/ft² and calorie (th)/s/cm²
Uses defined conversion rate for accurate unit translation
Supports thermal measurements in fire safety, laboratory, and materials testing
Browser-based and easy to use with quick result calculation
Facilitates comparison of legacy and contemporary heat flux data

Examples

5 Btu (IT)/second/square foot equals approximately 1.3571 calorie (th)/second/square centimeter
10 Btu (IT)/second/square foot converts to about 2.7143 calorie (th)/second/square centimeter

Common Use Cases

Reporting extreme thermal fluxes in fire-resistance evaluations
Measuring localized heat loads in furnace, laser, or plasma heating experiments
Analyzing thermal protection material exposure to concentrated heat fluxes
Conducting laboratory calorimetry and small-scale surface heating measurements
Comparing historical fire and radiative heat-flux test data
Specifying compact heating elements for materials testing

Tips & Best Practices

Ensure input values correspond to steady-state heat flux conditions
Use the converter to facilitate comparisons between different measurement traditions
Be aware of potential minor discrepancies due to non-SI unit standards
Confirm exact unit definitions match the standards used in your application
Apply conversions consistently when dealing with legacy and modern data

Limitations

Both units are non-SI and rely on varying regional or historical calibration standards
Minor discrepancies may occur during conversion at extreme flux levels
Precision depends on strict adherence to Btu (IT) and thermochemical calorie definitions
Conversion assumes uniform surface areas and steady heat flux, which may not always hold in practice

Frequently Asked Questions

Why convert between Btu (IT)/s/ft² and calorie (th)/s/cm²?: Conversion allows users to compare heat flux density data reported in different unit systems used in various industries and historical contexts.
What is the conversion rate between these units?: 1 Btu (IT)/second/square foot equals approximately 0.271427502 calorie (th)/second/square centimeter.
Are there any accuracy concerns using this conversion?: Yes, slight variations can occur due to differences in non-SI unit definitions and assumptions about steady-state and uniform surface area conditions.

Key Terminology

Btu (IT)/second/square foot: A non-SI heat flux density unit representing one British thermal unit (International Table) transferred per second across one square foot of surface.
Calorie (th)/second/square centimeter: A heat flux density unit equaling one thermochemical calorie transferred each second across one square centimeter of area.
Heat flux density: The rate of heat transfer per unit surface area, commonly used to quantify thermal energy flow.

Quick Knowledge Check

What does the unit Btu (IT)/second/square foot measure?

Electrical power output

Heat flux density quantifying thermal power per unit area

Pressure in a gas system

What is the approximate conversion factor from Btu (IT)/s/ft² to calorie (th)/s/cm²?

0.5

0.271427502

4.184

In which fields is this heat flux density conversion commonly applied?

Fire safety engineering and materials testing

Aerodynamics and fluid mechanics

Electrical circuit design

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