Online calculator to convert kilojoules to gigajoules (kJ to GJ) 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 kJ to GJ
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Conversion Definitions
The following is a list of definitions relating to conversions between kilojoules and gigajoules.
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.
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.
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 kJ to GJ is:
GJ = kJ ÷ 1,000,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from kilojoules to gigajoules (kJ to GJ).
Kilojoule to Gigajoule Conversion Example
Task: Convert 650,000 kilojoules to gigajoules (show work) Formula: kJ ÷ 1,000,000 = GJ Calculations: 650,000 kJ ÷ 1,000,000 = 0.65 GJ Result: 650,000 kJ is equal to 0.65 GJ
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from kilojoules to gigajoules.
Kilojoules to Gigajoules Conversion Chart
| kilojoules (kJ) | gigajoules (GJ) |
|---|---|
| 1 kJ | 0.000001 GJ |
| 2 kJ | 0.000002 GJ |
| 3 kJ | 0.000003 GJ |
| 4 kJ | 0.000004 GJ |
| 5 kJ | 0.000005 GJ |
| 6 kJ | 0.000006 GJ |
| 7 kJ | 0.000007 GJ |
| 8 kJ | 0.000008 GJ |
| 9 kJ | 0.000009 GJ |
| 10 kJ | 0.00001 GJ |
| 20 kJ | 0.00002 GJ |
| 30 kJ | 0.00003 GJ |
| 40 kJ | 0.00004 GJ |
| 50 kJ | 0.00005 GJ |
| 75 kJ | 0.000075 GJ |
| 100 kJ | 0.0001 GJ |
| 250 kJ | 0.00025 GJ |
| 500 kJ | 0.0005 GJ |
| 750 kJ | 0.00075 GJ |
| 1,000 kJ | 0.001 GJ |
| 2,500 kJ | 0.0025 GJ |
| 5,000 kJ | 0.005 GJ |
| 7,500 kJ | 0.0075 GJ |
| 10,000 kJ | 0.01 GJ |
| 25,000 kJ | 0.025 GJ |
| 50,000 kJ | 0.05 GJ |
| 75,000 kJ | 0.075 GJ |
| 100,000 kJ | 0.1 GJ |
| 250,000 kJ | 0.25 GJ |
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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