What is a kilocalorie (th)?

The kilocalorie (th) is a unit of energy equal to exactly 4184 joules, commonly used in food energy measurements and thermochemical engineering.

Why convert kilocalorie (th) to joule?

Converting to joules allows standard SI unit usage in scientific calculations, engineering designs, and interdisciplinary communication.

Is this conversion valid for all calorie types?

No, this conversion specifically applies to thermochemical kilocalories and not to other calorie definitions.

How to Convert from Kilocalorie (th) [kcal (th)] to Joule [J]?

Learn how to convert energy from kilocalorie (thermochemical) units to joules using a straightforward converter tool. Ideal for food science, nutrition, and engineering applications.

Kilocalorie (th) [kcal (th)]

Joule [J]

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

Kilocalorie (th) [kcal (th)] to Joule [J] Conversion Table

Kilocalorie (th) [kcal (th)]	Joule [J]

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 (th) [kcal (th)] to Joule [J] Conversion Table
Kilocalorie (th) [kcal (th)]	Joule [J]

Explore More Energy Units Converter

What Is This Tool?

This unit converter helps you translate energy measurements from kilocalories (thermochemical) to joules. It is useful for interpreting energy values in food labeling, thermochemical contexts, and engineering computations.

How to Use This Tool?

Enter the energy value in kilocalorie (th) you want to convert.
Select kilocalorie (th) as the source unit and joule as the target unit.
Click the convert button to get the equivalent energy value in joules.

Key Features

Converts energy units from kilocalorie (th) to joule quickly and easily.
Based on the exact defined conversion rate of 1 kcal (th) = 4184 J.
Browser-based and user-friendly for various technical and scientific needs.

Examples

2 kilocalorie (th) converts to 8368 joules.
0.5 kilocalorie (th) converts to 2092 joules.

Common Use Cases

Food and nutrition labeling showing energy content of meals and ingredients.
Dietary planning and metabolic studies involving energy intake and expenditure.
Older thermochemical or engineering calculations where kcal (th) units appear alongside SI measurements.

Tips & Best Practices

Use this converter when you need to express thermochemical energy values in SI units.
Always verify that the kilocalorie value is thermochemical (kcal (th)) before converting.
Remember that this conversion applies specifically to thermochemical kilocalories, not other calorie definitions.

Limitations

The kilocalorie (th) is mainly relevant in nutrition and older thermochemical literature, so conversion may not be needed if only SI units are required.
Precision relies on the exact defined value of 4184 joules; different kcal definitions may give slightly different results.
Conversion is valid only for thermochemical kilocalories, not international or nutritional kcal variants.

Frequently Asked Questions

What is a kilocalorie (th)?: The kilocalorie (th) is a unit of energy equal to exactly 4184 joules, commonly used in food energy measurements and thermochemical engineering.
Why convert kilocalorie (th) to joule?: Converting to joules allows standard SI unit usage in scientific calculations, engineering designs, and interdisciplinary communication.
Is this conversion valid for all calorie types?: No, this conversion specifically applies to thermochemical kilocalories and not to other calorie definitions.

Key Terminology

Kilocalorie (th): A unit of energy equal to 1,000 thermochemical calories, defined exactly as 4184 joules, used mainly in food energy and thermochemical engineering.
Joule: The SI derived unit of energy, defined as the energy transferred when a force of one newton moves an object one meter.

Quick Knowledge Check

What unit is equal to exactly 4184 joules?

International kilocalorie

Thermochemical kilocalorie

Nutritional calorie

What is the SI derived unit for energy?

Watt

Joule

Newton

Why might you convert kilocalorie (th) to joules?

To express energy in SI units

To measure weight

To calculate time

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