What does erg/hour/square millimeter measure?

It measures heat flux density as the energy in ergs transferred per hour through an area of one square millimeter, quantifying power per area in CGS metric units.

What is Btu (th)/second/square inch used for?

This unit represents the rate of heat transfer per second through one square inch and is commonly used in fire testing and engineering applications involving high heat fluxes.

Why is the conversion factor so small?

Because erg/hour/square millimeter is a very small CGS unit and Btu (th)/second/square inch is a larger imperial unit, the factor reflecting their difference in scale and time reference is extremely small.

How to Convert from Erg/hour/square millimeter to Btu (th)/second/square inch?

Learn how to convert heat flux density measurements from erg/hour/square millimeter to Btu (th)/second/square inch using this practical unit converter tool, ideal for engineering and scientific applications.

Erg/hour/square millimeter

Btu (th)/second/square inch

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Erg/hour/square millimeter to Btu (th)/second/square inch Conversion Table

Erg/hour/square millimeter	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.

Erg/hour/square millimeter to Btu (th)/second/square inch Conversion Table
Erg/hour/square millimeter	Btu (th)/second/square inch

Explore More Heat Flux Density Units Converter

What Is This Tool?

This unit converter transforms heat flux density values from erg/hour/square millimeter, a CGS-based metric unit, into Btu (th)/second/square inch, an imperial unit. It's designed for users needing to translate legacy scientific data or apply heating measurements in industrial and engineering contexts.

How to Use This Tool?

Enter the heat flux density value in erg/hour/square millimeter.
Select erg/hour/square millimeter as the input unit and Btu (th)/second/square inch as the output unit.
Click the convert button to obtain the equivalent value.
Use the converted result directly for engineering or scientific analysis.

Key Features

Converts heat flux density between CGS metric and imperial units accurately.
Supports small-scale scientific and engineering data translations.
Browser-based and easy-to-use interface for quick conversions.
Includes detailed unit definitions and relevant use cases.
Outputs precise conversion results based on established rates.

Examples

1 erg/hour/square millimeter equals 1.6997303187278e-11 Btu (th)/second/square inch.
1,000,000 erg/hour/square millimeter equals 1.6997303187278e-5 Btu (th)/second/square inch.

Common Use Cases

Reporting small-area heat transfer in laboratory thin-film or coating experiments using CGS units.
Thermal characterization of microelectronic parts measured per square millimeter in legacy scientific datasets.
Fire protection engineering to measure radiant heat flux in exposure and industrial testing using imperial units.
Evaluating intense localized heat inputs from welding, plasma torches, or propulsion plumes.
Comparing historical or astrophysical radiative flux data expressed in CGS-based measurements.

Tips & Best Practices

Ensure numerical precision when handling the very small conversion factor to avoid errors.
Consider differences in time basis (hour vs second) and measurement scales when interpreting results.
Use the tool primarily for steady-state heat flux conditions rather than transient or uneven fluxes.
Double-check unit selections before conversion to ensure accurate interpretations.
Apply conversions to support legacy data translation into modern engineering or fire-protection standards.

Limitations

The conversion factor is extremely small, requiring careful attention to numerical precision.
Differences in CGS versus imperial measurement scales and unit time bases may affect result interpretation.
The tool assumes steady-state heat flux conditions and may not reflect transient or nonuniform behaviors.

Frequently Asked Questions

What does erg/hour/square millimeter measure?: It measures heat flux density as the energy in ergs transferred per hour through an area of one square millimeter, quantifying power per area in CGS metric units.
What is Btu (th)/second/square inch used for?: This unit represents the rate of heat transfer per second through one square inch and is commonly used in fire testing and engineering applications involving high heat fluxes.
Why is the conversion factor so small?: Because erg/hour/square millimeter is a very small CGS unit and Btu (th)/second/square inch is a larger imperial unit, the factor reflecting their difference in scale and time reference is extremely small.

Key Terminology

Erg/hour/square millimeter: A CGS-derived unit measuring heat flux density as energy in ergs transferred per hour through a one square millimeter area.
Btu (th)/second/square inch: An imperial unit measuring heat flux density as one British thermal unit of energy transferred per second through an area of one square inch.
Heat flux density: The rate of heat energy transfer per unit area, commonly expressed in various metric or imperial units.

Quick Knowledge Check

Erg/hour/square millimeter measures heat flux density in which unit system?

Imperial

CGS metric

Btu (th)/second/square inch is primarily used in which field?

Fire protection engineering

Astrophysics

Thin-film laboratory testing

What should you consider when converting using this tool?

Differences in unit time bases

Color of the heat source

Material composition of the sensor

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