Gigajoules To Joules Conversion


1 GJ = 1,000,000,000 J

Want to convert from joules to gigajoules instead?

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How to convert gigajoules to joules (GJ to J)

The formula for converting gigajoules to joules is: J = GJ × 1000000000. To calculate the gigajoule value in joules first substitute the gigajoule value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 gigajoule in joules we follow these steps:

J = GJ × 1000000000

J = 1 × 1000000000

J = 1000000000

In other words, 1 gigajoule is equal to 1000000000 joules.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 5 gigajoules to joules is:

  1. Understand the conversion formula: J = GJ × 1000000000
  2. Substitute the required value. In this case we substitute 5 for GJ so the formula becomes: J = 5 × 1000000000
  3. Calculate the result using the provided values. In our example the result is: 5 × 1000000000 = 5e+9 J

In summary, 5 gigajoules is equal to 5e+9 joules.

Converting joules to gigajoules

In order to convert the other way around i.e. joules to gigajoules, you would use the following formula: GJ = J × 0.000000001. To convert joules to gigajoules first substitute the joule value into the above formula, and then execute the calculation. If we wanted to calculate 1 joule in gigajoules we follow these steps:

GJ = J × 0.000000001

G1 = J × 0.000000001

GJ = 0.000000001

Or in other words, 1 joule is equal to 0.000000001 gigajoules.

Conversion Unit Definitions

What is a Gigajoule?

A gigajoule (GJ) is a metric unit of energy in the International System of Units (SI). One gigajoule is equal to 1,000,000,000 joules or 1×109 joules. The prefix "giga-" signifies a factor of one billion, so a gigajoule represents a very large amount of energy.
Gigajoules are commonly used to measure significant amounts of energy in various contexts, especially in large-scale industries, energy production, and transportation sectors. For example, the energy content of fuels, the electricity consumption of cities, and the energy output of power plants are often expressed in gigajoules due to the large quantities involved.
To put it in perspective, one gigajoule is roughly equivalent to the energy content of about 26,000 liters of gasoline or the energy produced by burning approximately 24,000 pounds (about 11,000 kilograms) of coal.

What is a Joule?

A joule (J) is the standard unit of energy in the International System of Units (SI). It is defined as the amount of work done when a force of one newton is applied over a distance of one meter in the direction of the force. In other words, one joule is equal to the energy transferred when one watt of power is dissipated for one second.
Mathematically, 1 joule is equal to 1 N × 1 m, or 1 kg × m2/s2 in terms of mass, length, and time.
Joules are a versatile unit of measurement used not only in physics but also in various fields including engineering, chemistry, and biology to quantify energy, work, and heat. For example, it's commonly used to express the energy content of foods, the capacity of batteries, and the energy output of electronic devices.

Gigajoules To Joules Conversion Table

Below is a lookup table showing common gigajoules to joules conversion values.

Gigajoule (GJ)Joules (J)
1 GJ1e+9 J
2 GJ2e+9 J
3 GJ3e+9 J
4 GJ4e+9 J
5 GJ5e+9 J
6 GJ6e+9 J
7 GJ7e+9 J
8 GJ8e+9 J
9 GJ9e+9 J
10 GJ1e+10 J
11 GJ1.1e+10 J
12 GJ1.2e+10 J
13 GJ1.3e+10 J

Other Common Gigajoule Conversions

Below is a table of common conversions from gigajoules to other energy units.

1 gigajoule in kilojoules1000000 kJ
1 gigajoule in megajoules1000 MJ
1 gigajoule in calories238845896.6275 cal
1 gigajoule in kilocalories238845.8966275 kcal
1 gigajoule in kilowatt hours277.77777777778 kWh
1 gigajoule in watt seconds1000000000 Ws
1 gigajoule in therms9.4708628903179 thm
1 gigajoule in quads0.00000000094708628903179 Q