What is the difference between calorie (IT)/hour and calorie (th)/second?

Calorie (IT)/hour is based on the International Table calorie and measures heat flow per hour, while calorie (th)/second uses the thermochemical calorie measured per second, both representing power but using different calorie definitions.

Why convert calorie (IT)/hour to calorie (th)/second?

Conversions help translate older or specialized thermal power measurements into formats aligned with thermochemical units, supporting comparison, calculation, and integration with SI-based systems.

Can I use this converter for large-scale thermal power measurements?

This tool is best suited for small heat flow rates in laboratory or specialized contexts, and may not be ideal for large-scale or common SI-based power evaluations.

How to Convert from Calorie (IT)/hour [cal/h] to Calorie (th)/second?

Learn how to convert power measurements from calorie (IT)/hour to calorie (th)/second using a precise conversion factor, with examples and practical use cases in calorimetry and thermal testing.

Calorie (IT)/hour [cal/h]

Calorie (th)/second

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Calorie (IT)/hour [cal/h] to Calorie (th)/second Conversion Table

Calorie (IT)/hour [cal/h]	Calorie (th)/second

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Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

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Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Calorie (IT)/hour [cal/h] to Calorie (th)/second Conversion Table
Calorie (IT)/hour [cal/h]	Calorie (th)/second

Explore More Power Units Converter

What Is This Tool?

This converter helps translate power units from calorie (IT)/hour, a unit based on the International Table calorie, to calorie (th)/second, which uses the thermochemical calorie definition. It assists users working with small heat flow rates in various thermal and calorimetric applications.

How to Use This Tool?

Enter the value in calorie (IT)/hour you want to convert.
Select calorie (IT)/hour as the source unit and calorie (th)/second as the target unit.
Click convert to see the equivalent power in calorie (th)/second.

Key Features

Converts power from calorie (IT)/hour to calorie (th)/second accurately using the official conversion factor.
Supports laboratory and thermal engineering use cases involving small heat flow rates.
Facilitates interpretation of historical and specialized thermal power measurements.

Examples

10 calorie (IT)/hour converts to 0.002779637 calorie (th)/second.
100 calorie (IT)/hour is equivalent to 0.02779637 calorie (th)/second.

Common Use Cases

Reporting small steady heat flow rates in laboratory calorimetry.
Analyzing thermal testing data from materials using legacy calorie units.
Converting older thermal power measurements for HVAC or engineering calculations.

Tips & Best Practices

Verify you are applying the correct calorie definition for your measurement context.
Use this tool primarily for small heat transfer rates and specialized thermal analyses.
Cross-check conversions when integrating with SI units for accurate system modeling.

Limitations

The two calorie definitions differ, potentially impacting precision.
Conversion involves small values and may introduce rounding errors.
Primarily relevant to legacy, academic, and specialized applications rather than common modern SI-based measurements.

Frequently Asked Questions

What is the difference between calorie (IT)/hour and calorie (th)/second?: Calorie (IT)/hour is based on the International Table calorie and measures heat flow per hour, while calorie (th)/second uses the thermochemical calorie measured per second, both representing power but using different calorie definitions.
Why convert calorie (IT)/hour to calorie (th)/second?: Conversions help translate older or specialized thermal power measurements into formats aligned with thermochemical units, supporting comparison, calculation, and integration with SI-based systems.
Can I use this converter for large-scale thermal power measurements?: This tool is best suited for small heat flow rates in laboratory or specialized contexts, and may not be ideal for large-scale or common SI-based power evaluations.

Key Terminology

Calorie (IT)/hour: A unit of power measuring energy transfer rate equal to one International Table calorie per hour, used for small steady heat flow rates.
Calorie (th)/second: A unit of power equal to the transfer of one thermochemical calorie per second, commonly applied in laboratory calorimetry and legacy power specifications.
Conversion Factor: The numerical value used to convert from calorie (IT)/hour to calorie (th)/second, specifically 0.0002779637.

Quick Knowledge Check

Which calorie definition does calorie (IT)/hour use?

Thermochemical calorie

International Table calorie

Mean calorie

What is the conversion factor from 1 calorie (IT)/hour to calorie (th)/second?

0.0002779637

0.02779637

4.184

In what context is calorie (th)/second commonly used?

Reporting heat flow in calorimetry

Measuring electrical power

Calculating sound intensity

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