What is the conversion rate between these units?

1 Btu (IT)/second/square foot equals approximately 907.18 kilocalorie (IT)/hour/square foot.

Can this conversion be used for all heat flux scenarios?

It is best suited for steady-state conditions; transient or different unit systems may need extra considerations.

How to Convert from Btu (IT)/second/square foot to Kilocalorie (IT)/hour/square foot?

Q: Why convert from Btu (IT)/second/square foot to kilocalorie (IT)/hour/square foot?

Because Btu (IT)/second/square foot is used in high-rate heat flux measurements like fire tests, while kilocalorie (IT)/hour/square foot aligns better with building energy and HVAC calculations.

Learn how to convert heat flux density measurements from Btu (IT)/second/square foot to kilocalorie (IT)/hour/square foot, a common requirement in fire testing, HVAC, and building energy calculations.

Btu (IT)/second/square foot

Kilocalorie (IT)/hour/square foot

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

Btu (IT)/second/square foot to Kilocalorie (IT)/hour/square foot Conversion Table

Btu (IT)/second/square foot	Kilocalorie (IT)/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.

Btu (IT)/second/square foot to Kilocalorie (IT)/hour/square foot Conversion Table
Btu (IT)/second/square foot	Kilocalorie (IT)/hour/square foot

Explore More Heat Flux Density Units Converter

What Is This Tool?

This unit converter helps transform values of heat flux density measured in Btu (IT)/second/square foot into kilocalorie (IT)/hour/square foot. It facilitates switching between units used for extreme heat flux evaluations and those common in building energy and HVAC contexts.

How to Use This Tool?

Enter the heat flux density value in Btu (IT)/second/square foot.
Select the input unit as Btu (IT)/second/square foot.
Choose the output unit as kilocalorie (IT)/hour/square foot.
Click convert to obtain the equivalent value in kilocalorie (IT)/hour/square foot.
Use the result for energy transfer or heat loss evaluations.

Key Features

Converts heat flux density from Btu (IT)/second/square foot to kilocalorie (IT)/hour/square foot.
Supports units that quantify thermal power transferred per surface area.
Useful for fire testing, furnace experiments, and building energy modeling.
Browser-based and easy to use for quick conversions.
Accurately applies established conversion rate for consistent results.

Examples

2 Btu (IT)/second/square foot converts to approximately 1814.37 kilocalorie (IT)/hour/square foot.
0.5 Btu (IT)/second/square foot converts to about 453.59 kilocalorie (IT)/hour/square foot.

Common Use Cases

Reporting intense radiative heat fluxes in fire resistance tests.
Specifying localized heat loads in high-temperature furnace or plasma research.
Evaluating heat loss or gain on building envelopes during HVAC design.
Comparing insulation effectiveness in calorie-based engineering reports.
Estimating surface heat flux for retrofit and energy load calculations.

Tips & Best Practices

Ensure consistent use of International Table units throughout conversions.
Double-check values due to the large conversion factor to avoid magnitude errors.
Consider steady-state conditions when interpreting converted values.
Apply the conversion carefully in transient heat flux scenarios.
Use the appropriate unit based on the specific application context.

Limitations

Conversion assumes steady-state thermal conditions and uniform unit definitions.
May not account for transient or time-varying heat flux phenomena.
Large conversion factor can lead to errors if not applied carefully.
Unit differences require attention when integrating data from mixed measurement systems.

Frequently Asked Questions

Why convert from Btu (IT)/second/square foot to kilocalorie (IT)/hour/square foot?: Because Btu (IT)/second/square foot is used in high-rate heat flux measurements like fire tests, while kilocalorie (IT)/hour/square foot aligns better with building energy and HVAC calculations.
What is the conversion rate between these units?: 1 Btu (IT)/second/square foot equals approximately 907.18 kilocalorie (IT)/hour/square foot.
Can this conversion be used for all heat flux scenarios?: It is best suited for steady-state conditions; transient or different unit systems may need extra considerations.

Key Terminology

Btu (IT)/second/square foot: A non-SI unit defining heat flux density by the transfer of one British thermal unit (International Table) per second across one square foot of area.
Kilocalorie (IT)/hour/square foot: A unit measuring heat flux density, representing one International-Table kilocalorie transferred per hour across one square foot of surface.
Heat Flux Density: The rate of heat transfer per unit area of a surface.

Quick Knowledge Check

Which unit measures heat flux density as energy transferred per second across one square foot?

Kilocalorie (IT)/hour/square foot

Btu (IT)/second/square foot

Watt per square meter

What is the approximate conversion rate from Btu (IT)/second/square foot to kilocalorie (IT)/hour/square foot?

100 kilocalorie (IT)/hour/square foot

907.18 kilocalorie (IT)/hour/square foot

12.5 kilocalorie (IT)/hour/square foot

In which scenario is converting to kilocalorie (IT)/hour/square foot especially useful?

Fire testing to measure extreme radiative heat

Building envelope heat loss calculations

Measuring solar radiation in watts

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