Online calculator to convert gigajoules to calories (GJ to cal) 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 calories
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between gigajoules and calories.
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 0.000000004184 gigajoules in a calorie.
What is a calorie (cal)?
A calorie (or thermochemical calorie) is a unit of energy in the International System of Units (SI). The symbol for calorie is cal. There are 239,005,736.1376673 calories in a gigajoule. A calorie is measured as the quantity of heat required to raise the temperature of 1 gram of water by 1°C from a standard initial temperature at a pressure of 1 atmosphere. A calorie is also called a "small calorie" or "gram calorie".
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 calories is:
calories = GJ ÷ 0.000000004184
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from gigajoules to calories (GJ to cal).
Gigajoule to Calorie Conversion Example
Task: Convert 4 gigajoules to calories (show work) Formula: GJ ÷ 0.000000004184 = calories Calculations: 4 GJ ÷ 0.000000004184 = 956,022,944.55066922 calories Result: 4 GJ is equal to 956,022,944.55066922 calories
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from gigajoules to calories.
Gigajoules to Calories Conversion Chart
| gigajoules (GJ) | calories (cal) |
|---|---|
| 1 GJ | 239,005,736.1376673 cal |
| 2 GJ | 478,011,472.27533461 cal |
| 3 GJ | 717,017,208.41300191 cal |
| 4 GJ | 956,022,944.55066922 cal |
| 5 GJ | 1,195,028,680.68833652 cal |
| 6 GJ | 1,434,034,416.82600382 cal |
| 7 GJ | 1,673,040,152.96367113 cal |
| 8 GJ | 1,912,045,889.10133843 cal |
| 9 GJ | 2,151,051,625.23900574 cal |
| 10 GJ | 2,390,057,361.37667304 cal |
| 20 GJ | 4,780,114,722.75334608 cal |
| 30 GJ | 7,170,172,084.13001912 cal |
| 40 GJ | 9,560,229,445.50669216 cal |
| 50 GJ | 11,950,286,806.8833652 cal |
| 75 GJ | 17,925,430,210.3250478 cal |
| 100 GJ | 23,900,573,613.7667304 cal |
| 250 GJ | 59,751,434,034.416826 cal |
| 500 GJ | 119,502,868,068.83365201 cal |
| 750 GJ | 179,254,302,103.25047801 cal |
| 1,000 GJ | 239,005,736,137.66730402 cal |
| 2,500 GJ | 597,514,340,344.16826004 cal |
| 5,000 GJ | 1,195,028,680,688.33652008 cal |
| 7,500 GJ | 1,792,543,021,032.50478011 cal |
| 10,000 GJ | 2,390,057,361,376.67304015 cal |
| 25,000 GJ | 5,975,143,403,441.68260038 cal |
| 50,000 GJ | 11,950,286,806,883.36520076 cal |
| 75,000 GJ | 17,925,430,210,325.04780115 cal |
| 100,000 GJ | 23,900,573,613,766.73040153 cal |
| 250,000 GJ | 59,751,434,034,416.82600382 cal |
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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