Online calculator to convert gigajoules to kilojoules (GJ to kJ) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Energy units.
Conversion Calculator
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Convert GJ to kJ
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Conversion Definitions
The following is a list of definitions relating to conversions between gigajoules and kilojoules.
What is a gigajoule (GJ)?
A gigajoule is a unit of energy in the International System of Units (SI). The symbol for gigajoule is GJ. There are 0.000001 gigajoules in a kilojoule.
What is a kilojoule (kJ)?
A kilojoule is a unit of energy in the International System of Units (SI). The symbol for kilojoule is kJ. There are 1,000,000 kilojoules in a gigajoule.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from GJ to kJ is:
kJ = GJ x 1,000,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from gigajoules to kilojoules (GJ to kJ).
Gigajoule to Kilojoule Conversion Example
Task: Convert 4 GJ to kilojoules (show work) Formula: GJ x 1,000,000 = kJ Calculations: 4 GJ x 1,000,000 = 4,000,000 kJ Result: 4 GJ is equal to 4,000,000 kJ
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from gigajoules to kilojoules.
Gigajoules to Kilojoules Conversion Chart
| gigajoules (GJ) | kilojoules (kJ) |
|---|---|
| 1 GJ | 1,000,000 kJ |
| 2 GJ | 2,000,000 kJ |
| 3 GJ | 3,000,000 kJ |
| 4 GJ | 4,000,000 kJ |
| 5 GJ | 5,000,000 kJ |
| 6 GJ | 6,000,000 kJ |
| 7 GJ | 7,000,000 kJ |
| 8 GJ | 8,000,000 kJ |
| 9 GJ | 9,000,000 kJ |
| 10 GJ | 10,000,000 kJ |
| 20 GJ | 20,000,000 kJ |
| 30 GJ | 30,000,000 kJ |
| 40 GJ | 40,000,000 kJ |
| 50 GJ | 50,000,000 kJ |
| 75 GJ | 75,000,000 kJ |
| 100 GJ | 100,000,000 kJ |
| 250 GJ | 250,000,000 kJ |
| 500 GJ | 500,000,000 kJ |
| 750 GJ | 750,000,000 kJ |
| 1,000 GJ | 1,000,000,000 kJ |
| 2,500 GJ | 2,500,000,000 kJ |
| 5,000 GJ | 5,000,000,000 kJ |
| 7,500 GJ | 7,500,000,000 kJ |
| 10,000 GJ | 10,000,000,000 kJ |
| 25,000 GJ | 25,000,000,000 kJ |
| 50,000 GJ | 50,000,000,000 kJ |
| 75,000 GJ | 75,000,000,000 kJ |
| 100,000 GJ | 100,000,000,000 kJ |
| 250,000 GJ | 250,000,000,000 kJ |
Related Units
This table provides a summary of the Energy units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| calories (thermochemical) | cal | International System of Units (SI) |
| kilocalories | kcal | International System of Units (SI) |
| British Thermal Unit | BTU or Btu | Imperial System |
| joules | J | International System of Units (SI) |
| kilojoules | kJ | International System of Units (SI) |
| megajoules | MJ | International System of Units (SI) |
| gigajoules | GJ | International System of Units (SI) |
| terajoules | TJ | International System of Units (SI) |
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