Online calculator to convert kilocalories to gigajoules (kcal 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 kilocalories to GJ
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 kilocalories and gigajoules.
What is a kilocalorie (kcal)?
A kilocalorie is a unit of energy in the International System of Units (SI). The symbol for kilocalorie is kcal. There are 239,005.73613767 kilocalories in a gigajoule. A kilocalorie is measured as the quantity of heat required to raise the temperature of 1 kilogram of water by 1°C from a standard initial temperature at a pressure of 1 atmosphere. A kilocalorie is also called a "large calorie" or "kilogram calorie".
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 0.000004184 gigajoules in a kilocalorie.
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 kilocalories to GJ is:
GJ = kilocalories x 0.000004184
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from kilocalories to gigajoules (kcal to GJ).
Kilocalorie to Gigajoule Conversion Example
Task: Convert 65,000 kilocalories to GJ (show work) Formula: kilocalories x 0.000004184 = GJ Calculations: 65,000 kilocalories x 0.000004184 = 0.27196 GJ Result: 65,000 kilocalories is equal to 0.27196 GJ
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from kilocalories to gigajoules.
Kilocalories to Gigajoules Conversion Chart
kilocalories (kcal) | gigajoules (GJ) |
---|---|
1 kcal | 0.00000418 GJ |
2 kcal | 0.00000837 GJ |
3 kcal | 0.00001255 GJ |
4 kcal | 0.00001674 GJ |
5 kcal | 0.00002092 GJ |
6 kcal | 0.0000251 GJ |
7 kcal | 0.00002929 GJ |
8 kcal | 0.00003347 GJ |
9 kcal | 0.00003766 GJ |
10 kcal | 0.00004184 GJ |
20 kcal | 0.00008368 GJ |
30 kcal | 0.00012552 GJ |
40 kcal | 0.00016736 GJ |
50 kcal | 0.0002092 GJ |
75 kcal | 0.0003138 GJ |
100 kcal | 0.0004184 GJ |
250 kcal | 0.001046 GJ |
500 kcal | 0.002092 GJ |
750 kcal | 0.003138 GJ |
1,000 kcal | 0.004184 GJ |
2,500 kcal | 0.01046 GJ |
5,000 kcal | 0.02092 GJ |
7,500 kcal | 0.03138 GJ |
10,000 kcal | 0.04184 GJ |
25,000 kcal | 0.1046 GJ |
50,000 kcal | 0.2092 GJ |
75,000 kcal | 0.3138 GJ |
100,000 kcal | 0.4184 GJ |
250,000 kcal | 1.046 GJ |
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