What is the thermochemical calorie (cal (th))?

The thermochemical calorie is an energy unit defined exactly as 4.184 joules, used historically in heat and specific heat expressions and thermochemical data.

How is the calorie (IT) different from the thermochemical calorie?

The calorie (IT) is a historical unit measuring heat required to raise 1 gram of water by 1 °C under steam table conditions, primarily used in classical thermodynamics and steam engine calculations.

Why should I convert between calorie (th) and calorie (IT)?

Converting between these units is important to accurately interpret and reconcile historical thermochemical and steam table data, ensuring consistent comparison of older engineering literature.

Calorie (th) to Calorie (IT) Energy Conversion | Online Unit Converter

Easily convert energy units from calorie (th) [cal (th)] to calorie (IT) [cal (IT), cal] with our online converter. Understand the differences and applications of these historical energy units.

Calorie (th) [cal (th)]

Calorie (IT) [cal (IT), cal]

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

Calorie (th) [cal (th)] to Calorie (IT) [cal (IT), cal] Conversion Table

Calorie (th) [cal (th)]	Calorie (IT) [cal (IT), cal]

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.

Calorie (th) [cal (th)] to Calorie (IT) [cal (IT), cal] Conversion Table
Calorie (th) [cal (th)]	Calorie (IT) [cal (IT), cal]

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What Is This Tool?

This converter allows you to transform energy values from the thermochemical calorie (cal (th)) to the International Steam Table calorie (cal (IT), cal). It assists in working with older units used in thermochemical and steam table data, facilitating historical data interpretation and engineering analysis.

How to Use This Tool?

Enter the amount of energy in calorie (th) into the input field
Select 'calorie (th) [cal (th)]' as the input unit
Choose 'calorie (IT) [cal (IT), cal]' as the output unit
Click the convert button to see the equivalent value in calorie (IT)
Use the result to analyze or report historical or engineering energy data

Key Features

Converts energy values between calorie (th) and calorie (IT) units accurately
Supports historical and engineering context energy conversions
Quick and user-friendly browser-based interface
Allows reconciliation of older thermochemical and steam table datasets
Helps digitize and compare legacy energy values alongside SI units

Examples

Convert 10 cal (th) to cal (IT): 9.993312315 cal (IT)
Convert 50 cal (th) to cal (IT): 49.966561575 cal (IT)

Common Use Cases

Analyzing older calorimetry measurements and thermochemical literature
Interpreting classical thermodynamics and steam-engine calculation data
Converting historical steam table and latent heat values
Digitizing and comparing legacy datasets with modern SI units
Reporting specific heat capacities in pre-SI engineering research

Tips & Best Practices

Verify unit definitions before converting to avoid errors from subtle differences
Use this tool when dealing with historical or classical thermodynamics data
Cross-check conversions with SI joule values when necessary
Be cautious with large datasets to minimize error propagation
Remember that joules are the preferred modern unit replacing these calories

Limitations

Both calorie (th) and calorie (IT) are outdated units replaced largely by the SI joule
Small discrepancies exist between unit definitions affecting precision
Conversion factors may cause slight errors when applied to extensive data
The tool does not handle conversions to or from SI joules directly
Applicable mainly for historical and legacy engineering data interpretation

Frequently Asked Questions

What is the thermochemical calorie (cal (th))?: The thermochemical calorie is an energy unit defined exactly as 4.184 joules, used historically in heat and specific heat expressions and thermochemical data.
How is the calorie (IT) different from the thermochemical calorie?: The calorie (IT) is a historical unit measuring heat required to raise 1 gram of water by 1 °C under steam table conditions, primarily used in classical thermodynamics and steam engine calculations.
Why should I convert between calorie (th) and calorie (IT)?: Converting between these units is important to accurately interpret and reconcile historical thermochemical and steam table data, ensuring consistent comparison of older engineering literature.

Key Terminology

Calorie (th) [cal (th)]: A thermochemical energy unit defined as exactly 4.184 joules, historically used in heat measurements and specific heat capacities.
Calorie (IT) [cal (IT), cal]: Also known as the International Steam Table calorie, a historical unit of energy for raising water temperature under steam table conditions.
Joule (SI): The modern standard unit of energy in the International System of Units, used to replace older calorie definitions.

Quick Knowledge Check

What does the thermochemical calorie (cal (th)) represent?

Heat required to raise 1 liter of water by 1 °C

A unit defined exactly as 4.184 joules

Energy to power a steam turbine

What was the main use of calorie (IT)?

Modern electronic energy calculations

Classical thermodynamics and steam engine calculations

Measuring food energy content

Why is the calorie (IT) largely replaced today?

It is too large for precise measurements

The SI joule is preferred as the standard energy unit

It cannot be converted to other units

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