What is the difference between kilocalorie (th) and kilocalorie (IT)?

Kilocalorie (th) is based on thermochemical calories defined as exactly 4,184 joules, while kilocalorie (IT) uses international-table calories, with one defined as 4.1868 joules, leading to slight numerical differences.

Why is this conversion important in nutrition?

It helps provide consistent and accurate energy content values in food and dietary studies where different calorie conventions may be used.

Can I use this tool for engineering heat calculations?

Yes, it assists in adjusting energy values for heat transfer, enthalpy, and calorimetry calculations requiring integration of different calorie standards.

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

Learn how to convert energy values from kilocalorie (thermochemical) to kilocalorie (international-table) accurately for nutrition, thermochemistry, and engineering applications.

Kilocalorie (th) [kcal (th)]

Kilocalorie (IT) [kcal (IT)]

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

Kilocalorie (th) [kcal (th)] to Kilocalorie (IT) [kcal (IT)] Conversion Table

Kilocalorie (th) [kcal (th)]	Kilocalorie (IT) [kcal (IT)]

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 Kilocalorie (IT) [kcal (IT)] Conversion Table
Kilocalorie (th) [kcal (th)]	Kilocalorie (IT) [kcal (IT)]

Explore More Energy Units Converter

What Is This Tool?

This converter allows users to transform energy measurements from kilocalorie (thermochemical) [kcal (th)] units into kilocalorie (international-table) [kcal (IT)] units, helping maintain precise energy value comparisons.

How to Use This Tool?

Enter the energy value in kilocalorie (th) units.
Select kilocalorie (th) as the source unit and kilocalorie (IT) as the target unit.
Click the convert button to obtain the equivalent energy value in kilocalorie (IT).

Key Features

Converts kilocalorie (th) to kilocalorie (IT) based on exact defined conversion rates.
Supports energy measurement needs in food science, nutrition, and thermal engineering.
Browser-based and easy to use without requiring installation.
Helps reconcile slight differences between calorie definitions for accurate calculations.

Examples

10 kcal (th) converts to approximately 9.9933 kcal (IT).
50 kcal (th) is equivalent to about 49.9666 kcal (IT).

Common Use Cases

Expressing food and nutrition energy content with standardized units.
Conducting dietary planning and metabolic studies requiring accurate energy quantification.
Performing heat transfer and calorimetry calculations in thermal engineering.
Comparing historical thermochemical data with modern international standards.

Tips & Best Practices

Verify the units used in your data source before converting to avoid errors.
Use this tool to maintain consistency when working across different calorie standards.
Be cautious of minor differences in values when conducting high-precision thermodynamic calculations.

Limitations

The difference between kcal (th) and kcal (IT) is small but may affect precise thermodynamic work.
Users must ensure consistent unit usage to prevent confusion in energy reporting.

Frequently Asked Questions

What is the difference between kilocalorie (th) and kilocalorie (IT)?: Kilocalorie (th) is based on thermochemical calories defined as exactly 4,184 joules, while kilocalorie (IT) uses international-table calories, with one defined as 4.1868 joules, leading to slight numerical differences.
Why is this conversion important in nutrition?: It helps provide consistent and accurate energy content values in food and dietary studies where different calorie conventions may be used.
Can I use this tool for engineering heat calculations?: Yes, it assists in adjusting energy values for heat transfer, enthalpy, and calorimetry calculations requiring integration of different calorie standards.

Key Terminology

Kilocalorie (th) [kcal (th)]: A unit of energy equal to 1,000 thermochemical calories, each defined as exactly 4,184 joules, used mainly in food energy and thermal engineering contexts.
Kilocalorie (IT) [kcal (IT)]: An energy unit defined as 1,000 international-table calories, where one calorie is 4.1868 joules, applied in steam tables, calorimetry, and some nutrition data.
Calorie: A unit of energy measuring heat; definitions vary slightly, leading to different kilocalorie conventions.

Quick Knowledge Check

What does 1 kilocalorie (th) equal in kilocalorie (IT)?

Exactly 1.0000 kcal (IT)

Approximately 0.9993 kcal (IT)

Approximately 1.0007 kcal (IT)

Which unit is defined as exactly 4,184 joules?

Kilocalorie (IT)

Kilocalorie (th)

Neither unit

In which field is converting between kcal (th) and kcal (IT) commonly required?

Thermochemistry and nutrition

Astronomy and astrophysics

Quantum mechanics

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