Online calculator to convert joules to gigajoules (J 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 J to GJ
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Conversion Definitions
The following is a list of definitions relating to conversions between joules and gigajoules.
What is a joule (J)?
A joule is a unit of energy in the International System of Units (SI). The symbol for joule is J. There are 1,000,000,000 joules 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 0.000000001 gigajoules in a joule.
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 J to GJ is:
GJ = J ÷ 1,000,000,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from joules to gigajoules (J to GJ).
Joule to Gigajoule Conversion Example
Task: Convert 325,000,000 joules to gigajoules (show work) Formula: J ÷ 1,000,000,000 = GJ Calculations: 325,000,000 J ÷ 1,000,000,000 = 0.325 GJ Result: 325,000,000 J is equal to 0.325 GJ
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from joules to GJ.
Joules to Gigajoules Conversion Chart
| joules (J) | gigajoules (GJ) |
|---|---|
| 100 J | 0.0000001 GJ |
| 250 J | 0.00000025 GJ |
| 500 J | 0.0000005 GJ |
| 750 J | 0.00000075 GJ |
| 1,000 J | 0.000001 GJ |
| 2,500 J | 0.0000025 GJ |
| 5,000 J | 0.000005 GJ |
| 7,500 J | 0.0000075 GJ |
| 10,000 J | 0.00001 GJ |
| 25,000 J | 0.000025 GJ |
| 50,000 J | 0.00005 GJ |
| 75,000 J | 0.000075 GJ |
| 100,000 J | 0.0001 GJ |
| 250,000 J | 0.00025 GJ |
| 500,000 J | 0.0005 GJ |
| 750,000 J | 0.00075 GJ |
| 1,000,000 J | 0.001 GJ |
| 2,500,000 J | 0.0025 GJ |
| 5,000,000 J | 0.005 GJ |
| 7,500,000 J | 0.0075 GJ |
| 10,000,000 J | 0.01 GJ |
| 25,000,000 J | 0.025 GJ |
| 50,000,000 J | 0.05 GJ |
| 75,000,000 J | 0.075 GJ |
| 100,000,000 J | 0.1 GJ |
| 250,000,000 J | 0.25 GJ |
| 500,000,000 J | 0.5 GJ |
| 750,000,000 J | 0.75 GJ |
| 1,000,000,000 J | 1 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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