What is a kilocalorie (IT)?

A kilocalorie (IT) is a unit of energy equal to 1,000 international-table calories, where one calorie equals 4.1868 joules.

What does a gigawatt-hour represent?

A gigawatt-hour is an energy unit representing one gigawatt of power delivered continuously for one hour, equivalent to 3.6 × 10¹² joules.

When should I use this conversion?

Use this converter to relate small-scale or chemical energy data in kilocalories (IT) to large-scale electrical energy values like gigawatt-hours, especially in energy engineering and utility reporting.

Can this converter be used for nutritional energy reporting?

Generally, no. This conversion is less common for daily nutritional energy reporting due to the large scale difference between the units.

Are there other calorie standards besides the international-table calorie?

Yes, but this converter assumes use of the international-table calorie definition; using other standards can cause inaccuracies.

How to Convert from Kilocalorie (IT) [kcal (IT)] to Gigawatt-hour [GW*h]

Learn to convert energy values from kilocalorie (IT) [kcal (IT)] to gigawatt-hour [GW*h] accurately using our simple online converter. Understand their definitions, use cases, and conversion process.

Kilocalorie (IT) [kcal (IT)]

Gigawatt-hour [GW*h]

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

Kilocalorie (IT) [kcal (IT)] to Gigawatt-hour [GW*h] Conversion Table

Kilocalorie (IT) [kcal (IT)]	Gigawatt-hour [GW*h]

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 Gigawatt-hour [GW*h] Conversion Table
Kilocalorie (IT) [kcal (IT)]	Gigawatt-hour [GW*h]

Explore More Energy Units Converter

What Is This Tool?

This converter is designed to translate energy measurements from kilocalorie (IT), a unit based on the international-table calorie, into gigawatt-hours, a large-scale electrical energy unit. It assists in bridging smaller thermal or chemical energy data with larger electrical energy metrics.

How to Use This Tool?

Enter the energy amount in kilocalorie (IT) units.
Select kilocalorie (IT) as the input unit and gigawatt-hour as the output unit.
Click the convert button to receive the equivalent energy in gigawatt-hours.
Use the result for energy reporting, engineering calculations, or data comparison.
Repeat the process for different values as needed.

Key Features

Converts energy values from kilocalorie (IT) to gigawatt-hour instantly.
Based on the precise conversion rate: 1 kcal (IT) equals 1.163e-9 GW*h.
Supports practical energy reporting for engineering and utility applications.
Browser-based and easy to operate without complex inputs.
Useful for analyzing power plant outputs and grid-scale storage.

Examples

Convert 1,000 kilocalorie (IT) to gigawatt-hour: results in 1.163e-6 GW*h.
Convert 500,000 kilocalorie (IT) to gigawatt-hour: yields 0.0005815 GW*h.

Common Use Cases

Tabulating heat values in thermodynamic and steam tables.
Performing heat-balance and calorimetric engineering calculations.
Reporting older literature or some nutritional energy values using the IT calorie standard.
Expressing electrical energy production or consumption for utilities and large-scale grids.
Comparing power plant or renewable installation energy output on a large scale.

Tips & Best Practices

Ensure the energy values use the international-table calorie definition for accuracy.
Be cautious when interpreting converted values as they are very small compared to gigawatt-hours.
Use this converter primarily for large-scale electrical energy comparisons or engineering contexts.
Double-check conversion results when dealing with critical energy accounting or scientific research.
Avoid using this for daily nutritional energy reporting due to scale differences.

Limitations

Converted figures are very small owing to the difference in unit scale between kcal (IT) and GW*h.
This conversion only applies accurately when the international-table calorie standard is used consistently.
Gigawatt-hour units are intended for large energies, so this tool is less practical for everyday energy values or nutrition.

Frequently Asked Questions

What is a kilocalorie (IT)?: A kilocalorie (IT) is a unit of energy equal to 1,000 international-table calories, where one calorie equals 4.1868 joules.
What does a gigawatt-hour represent?: A gigawatt-hour is an energy unit representing one gigawatt of power delivered continuously for one hour, equivalent to 3.6 × 10¹² joules.
When should I use this conversion?: Use this converter to relate small-scale or chemical energy data in kilocalories (IT) to large-scale electrical energy values like gigawatt-hours, especially in energy engineering and utility reporting.
Can this converter be used for nutritional energy reporting?: Generally, no. This conversion is less common for daily nutritional energy reporting due to the large scale difference between the units.
Are there other calorie standards besides the international-table calorie?: Yes, but this converter assumes use of the international-table calorie definition; using other standards can cause inaccuracies.

Key Terminology

kilocalorie (IT) [kcal (IT)]: A unit of energy equal to 1,000 international-table calories, where each calorie equals 4.1868 joules.
gigawatt-hour [GW*h]: A unit of energy representing the delivery of one gigawatt of power over one hour, equivalent to 3.6 × 10¹² joules.
international-table calorie: A calorie defined as 4.1868 joules, serving as the basis for the kilocalorie (IT).

Quick Knowledge Check

What does 1 kilocalorie (IT) equal in gigawatt-hours?

1.163e-9 GW*h

1.163e-6 GW*h

3.6 × 10¹² GW*h

Gigawatt-hour is primarily used to measure what type of energy?

Small-scale chemical energy

Large-scale electrical energy

Heat transfer in food

Why might values converted from kcal (IT) to GW*h be very small?

Because kilocalorie (IT) is a much smaller unit than a gigawatt-hour

Because the gigawatt-hour is smaller than the kilocalorie (IT)

Because conversion formulas are approximate

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