Online Heat Flux Density Units Converter
How to Convert from Btu (IT)/second/square foot to Calorie (th)/hour/square centimeter?

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

Convert heat flux density values from Btu (IT) per second per square foot to calorie (th) per hour per square centimeter using a precise conversion factor. Understand definitions, applications, and examples for this unit conversion.

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

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

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
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)/hour/square centimeter Conversion Table
Btu (IT)/second/square foot Calorie (th)/hour/square centimeter

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What Is This Tool?

This unit converter transforms heat flux density measurements from British thermal units (International Table) per second per square foot to thermochemical calories per hour per square centimeter, enabling comparisons between large-scale and small-scale heat flux units.

How to Use This Tool?

  • Enter the value in Btu (IT)/second/square foot to be converted.
  • Select the output unit as calorie (th)/hour/square centimeter.
  • View the converted heat flux density value instantly.

Key Features

  • Converts heat flux density from Btu (IT)/s/ft² to calorie (th)/h/cm² accurately.
  • Supports conversion for fire testing, materials science, and thermal exposure measurements.
  • Includes detailed unit definitions and use cases for clarity.

Examples

  • 2 Btu (IT)/s/ft² converts to approximately 1954.278 calorie (th)/h/cm².
  • 0.5 Btu (IT)/s/ft² converts to roughly 488.5695 calorie (th)/h/cm².

Common Use Cases

  • Comparing extreme heat fluxes in fire resistance evaluations.
  • Measuring localized heat loads in high-temperature furnace or laser heating experiments.
  • Analyzing small-area heat flux in laboratory calorimetry and coating thermal tests.
  • Reporting historical solar irradiance or insolation on small surfaces.

Tips & Best Practices

  • Always verify that input values use the standardized definitions of Btu (IT) and thermochemical calorie.
  • Use this tool to bridge data from large-scale fire testing to smaller-scale laboratory standards.
  • Be cautious when comparing units across different measurement protocols due to differing time and area bases.

Limitations

  • The difference in time and area units between these measurements complicates direct comparisons.
  • Calorie (th)/hour/cm² is less common in modern SI-based heat flux assessments.
  • Variations in unit definitions may affect the conversion's precision.

Frequently Asked Questions

Why convert between Btu (IT)/second/square foot and calorie (th)/hour/square centimeter?
Converting helps relate large-scale extreme heat flux data used in fire testing to smaller-scale measurements found in historical or laboratory contexts.

Key Terminology

Btu (IT)/second/square foot
A unit of heat flux density measuring one British thermal unit (International Table) transferred each second across one square foot.
Calorie (th)/hour/square centimeter
A heat flux density unit defining one thermochemical calorie transferred per hour across one square centimeter.
Heat Flux Density
A measurement of thermal power passing through a given surface area.

Quick Knowledge Check

What does Btu (IT)/second/square foot measure?
What is a key use of calorie (th)/hour/square centimeter?
What is an important consideration when converting between these units?