What is a kilocalorie (IT)?

A kilocalorie (IT) is an energy unit equal to 1,000 international-table calories, with one calorie defined as 4.1868 joules.

Why would I convert kilocalorie (IT) to kiloelectron-volt?

This conversion is used when translating energy values from macroscopic thermodynamic scales to atomic or particle physics scales.

Are the converted keV values very large?

Yes, because of the energy scale difference, keV values become extremely large after conversion and often require scientific notation.

Convert Kilocalorie (IT) [kcal (IT)] to Kiloelectron-volt [keV]

Easily convert energy values from kilocalorie (IT) to kiloelectron-volt (keV) with this online unit converter tool. Ideal for applications in thermodynamics and atomic physics.

Kilocalorie (IT) [kcal (IT)]

Kiloelectron-volt [keV]

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

Kilocalorie (IT) [kcal (IT)] to Kiloelectron-volt [keV] Conversion Table

Kilocalorie (IT) [kcal (IT)]	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.

Kilocalorie (IT) [kcal (IT)] to Kiloelectron-volt [keV] Conversion Table
Kilocalorie (IT) [kcal (IT)]	Kiloelectron-volt [keV]

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What Is This Tool?

This tool allows you to convert energy measurements from kilocalorie (IT), a unit used in thermodynamics and calorimetry, to kiloelectron-volt (keV), commonly used in atomic and nuclear physics. It helps translate macroscopic energy units into atomic-scale quantities needed in various scientific fields.

How to Use This Tool?

Enter the energy value in kilocalorie (IT) you want to convert
Select kilocalorie (IT) as the input unit and kiloelectron-volt (keV) as the target unit
Click the convert button to get the equivalent energy in keV
Review the output, which may be displayed in scientific notation for large values

Key Features

Converts energy units from kilocalorie (IT) to kiloelectron-volt (keV)
Supports accurate translation of heat and enthalpy values for scientific use
Browser-based, user-friendly interface requiring no downloads
Useful for researchers in physics, medical imaging, and material science

Examples

2 kcal (IT) converts to approximately 5.23 × 10¹⁹ keV
0.5 kcal (IT) converts to about 1.31 × 10¹⁹ keV

Common Use Cases

Tabulating heat and enthalpy data in steam or thermodynamic tables
Performing heat balance and calorimetry calculations in engineering
Reporting energy values in scientific research involving atomic or particle physics
Analyzing X-ray and soft gamma-ray photon energies in medical imaging
Studying electron binding energies and excitation in atomic physics

Tips & Best Practices

Use scientific notation when handling very large keV values after conversion
Understand the context of both units to apply conversions appropriately in your field
Verify units carefully to ensure accurate data entry and output interpretation
Remember that kilocalorie (IT) is less common in modern physics, so consider context before conversion

Limitations

Converting kcal (IT) to keV results in extremely large numerical values requiring scientific notation
Numerical precision may be challenging in some computational environments due to value size
Kilocalorie (IT) is an older unit and less frequently used compared to joules and electronvolts in modern applications

Frequently Asked Questions

What is a kilocalorie (IT)?: A kilocalorie (IT) is an energy unit equal to 1,000 international-table calories, with one calorie defined as 4.1868 joules.
Why would I convert kilocalorie (IT) to kiloelectron-volt?: This conversion is used when translating energy values from macroscopic thermodynamic scales to atomic or particle physics scales.
Are the converted keV values very large?: Yes, because of the energy scale difference, keV values become extremely large after conversion and often require scientific notation.

Key Terminology

Kilocalorie (IT): An older energy unit equal to 1,000 international-table calories, used in thermodynamics and heat calculations.
Kiloelectron-volt (keV): An energy unit equal to 1,000 electronvolts, used to measure particle and photon energies at atomic scales.
Electronvolt (eV): A unit of energy equal to the energy gained by an electron when accelerated through an electric potential difference of one volt.

Quick Knowledge Check

Which unit is typically used in atomic and nuclear physics?

kilocalorie (IT)

kiloelectron-volt (keV)

joule

What is the energy equivalent of 1 kilocalorie (IT) in joules?

4,186.8 J

1,000 J

4.1868 J

Which field commonly applies kilocalorie (IT) units?

Thermodynamics and calorimetry

Astrophysics

Quantum mechanics

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