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

It is a unit of energy defined exactly as 4.184 joules, historically used to represent heat in calorimetry and thermochemical data.

Why convert calorie (th) to kiloelectron-volt (keV)?

To translate energy values from older thermochemical units into atomic-scale units used in nuclear physics, radiation physics, and related fields.

Where are kiloelectron-volts (keV) commonly used?

KeV units are used to express energies of particles and photons in atomic, nuclear, and radiation physics, including medical imaging and materials analysis.

How to Convert from Calorie (th) [cal (th)] to Kiloelectron-volt [keV]

Learn how to convert energy values from the thermochemical calorie (cal (th)) to kiloelectron-volt (keV) units, widely used in atomic and nuclear physics, medical imaging, and spectroscopy.

Calorie (th) [cal (th)]

Kiloelectron-volt [keV]

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

Calorie (th) [cal (th)] to Kiloelectron-volt [keV] Conversion Table

Calorie (th) [cal (th)]	Kiloelectron-volt [keV]

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 Kiloelectron-volt [keV] Conversion Table
Calorie (th) [cal (th)]	Kiloelectron-volt [keV]

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What Is This Tool?

This converter transforms energy measurements from the thermochemical calorie (cal (th)) into kiloelectron-volt (keV), facilitating the integration of historical thermochemical data with modern atomic and nuclear physics units.

How to Use This Tool?

Enter the energy value in calorie (th) [cal (th)] into the input field
Select cal (th) as the source unit and keV as the target unit
Click the convert button to see the energy value expressed in kiloelectron-volts

Key Features

Accurate conversion between calorie (th) and keV based on fixed definitions
Supports historical and modern energy unit translation
Ideal for fields such as atomic physics, radiation physics, and medical imaging
Browser-based and easy to use

Examples

Converting 2 cal (th) results in 52228947935090000 keV
Converting 0.5 cal (th) results in 13057236983772500 keV

Common Use Cases

Interpreting heat released or absorbed in older calorimetry data
Converting specific heat capacity values from older literature
Translating historical thermochemical enthalpy tables to SI and atomic scale units
Reporting photon energies in X-ray and soft gamma-ray medical imaging
Analyzing inner-shell electron binding energies in atomic physics
Describing low-energy particle kinetic energies in nuclear and astrophysical studies

Tips & Best Practices

Ensure source data is from thermochemical calorie units for accurate conversion
Use this tool to bridge older calorimetry results with modern physics applications
Cross-check converted values when integrating into high-precision atomic or nuclear calculations
Be aware of unit contexts to maintain consistency in scientific communication

Limitations

The very large conversion factor may affect handling of very small original energy values
Thermochemical calorie is an older unit and less common than joules in current science
Direct use in modern physics often requires additional conversions or standardization

Frequently Asked Questions

What is a thermochemical calorie (cal (th))?: It is a unit of energy defined exactly as 4.184 joules, historically used to represent heat in calorimetry and thermochemical data.
Why convert calorie (th) to kiloelectron-volt (keV)?: To translate energy values from older thermochemical units into atomic-scale units used in nuclear physics, radiation physics, and related fields.
Where are kiloelectron-volts (keV) commonly used?: KeV units are used to express energies of particles and photons in atomic, nuclear, and radiation physics, including medical imaging and materials analysis.

Key Terminology

Thermochemical calorie (cal (th)): A unit of energy exactly equal to 4.184 joules, historically used in calorimetry and thermochemical data.
Kiloelectron-volt (keV): An energy unit equivalent to 1,000 electronvolts, used in atomic, nuclear, and radiation physics to describe particle and photon energies.
Calorimetry: The measurement of heat released or absorbed in physical or chemical processes.

Quick Knowledge Check

What is the exact energy equivalent of one thermochemical calorie?

3.98 joules

4.184 joules

1.602×10^-19 joules

Which field commonly uses kiloelectron-volts (keV)?

Classical mechanics

Atomic and nuclear physics

Meteorology

Why might conversion from cal (th) to keV require caution?

Because cal (th) is a very new unit

Due to the large conversion factor and older unit usage

Because keV is less precise than cal (th)

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