What is a calorie (th)?

The calorie (th) is a historic energy unit defined exactly as 4.184 joules, used mainly in older thermochemical data and specific heat expressions.

Why convert calorie (th) to erg?

Converting to erg facilitates working with CGS units common in astrophysics and adapting historical data to CGS-based calculations.

Are ergs suitable for measuring all energy scales?

No, ergs are very small units and are not practical for large energy measurements.

How to Convert from Calorie (th) [cal (th)] to Erg

Learn how to convert energy values from the thermochemical calorie (cal (th)) to ergs, a CGS energy unit commonly used in astrophysics and classical mechanics.

Calorie (th) [cal (th)]

Erg

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Calorie (th) [cal (th)] to Erg Conversion Table

Calorie (th) [cal (th)]	Erg

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

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Interval

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Calorie (th) [cal (th)] to Erg Conversion Table
Calorie (th) [cal (th)]	Erg

Explore More Energy Units Converter

What Is This Tool?

This converter transforms energy values from the thermochemical calorie (th) unit, historically used in thermochemical data and specific heat expressions, into ergs, the CGS unit of energy often applied in astrophysics and classical mechanics.

How to Use This Tool?

Enter the energy value in calorie (th) [cal (th)]
Select the target unit as erg
Click the convert button to get the result in ergs
Use the result to compare or analyze energies in the CGS unit system

Key Features

Converts thermochemical calories (cal (th)) to ergs accurately
Supports translations of historical thermochemical measurements
Useful for astrophysics and CGS system energy calculations
Browser-based and easy to use with flexible input values

Examples

2 calorie (th) [cal (th)] = 83680000 erg
0.5 calorie (th) [cal (th)] = 20920000 erg

Common Use Cases

Converting older calorimetry data into CGS energy units
Translating specific heat capacity values from historical texts
Analyzing small-scale energy emissions in astrophysics
Working with classical mechanics or electromagnetism using CGS units

Tips & Best Practices

Verify the context to ensure the calorie (th) definition is correct
Be mindful that ergs represent very small energy amounts
Use this conversion for historical or domain-specific analyses rather than modern energy reporting

Limitations

The thermochemical calorie (th) is largely outdated compared to joules
Ergs may not be practical for measuring large-scale energy values
The conversion applies specifically to calorie (th), not other calorie variants

Frequently Asked Questions

What is a calorie (th)?: The calorie (th) is a historic energy unit defined exactly as 4.184 joules, used mainly in older thermochemical data and specific heat expressions.
Why convert calorie (th) to erg?: Converting to erg facilitates working with CGS units common in astrophysics and adapting historical data to CGS-based calculations.
Are ergs suitable for measuring all energy scales?: No, ergs are very small units and are not practical for large energy measurements.

Key Terminology

Calorie (th): A unit of energy defined exactly as 4.184 joules, historically used in thermochemistry and specific heat capacity.
Erg: A CGS unit of energy equal to 1×10⁻⁷ joule, used for measuring small-scale mechanical, thermal, or electromagnetic energies.
CGS System: A measurement system based on centimeter, gram, and second units, used for certain scientific calculations including energy measured in ergs.

Quick Knowledge Check

What is the conversion factor from calorie (th) to erg?

1 calorie (th) = 4.184 erg

1 calorie (th) = 41840000 erg

1 calorie (th) = 1×10⁻⁷ erg

In which system of units is the erg used?

SI (International System)

CGS (centimeter–gram–second)

Imperial

Why is the calorie (th) considered obsolete?

Because joule is preferred in modern practice

Because erg replaced it recently

Because calorie (th) is inaccurate

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