Gigajoule to Joule Converter

1,000,000,000
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Understanding Gigajoules and Joules

What is a Gigajoule (GJ)?

A gigajoule (GJ) is a unit of energy equal to one billion (109) joules. It's commonly used in large-scale energy measurements, such as industrial energy consumption, natural gas billing, and power plant output capacity. One gigajoule is approximately equivalent to:

  • 277.8 kilowatt-hours (kWh)
  • 26.1 cubic meters of natural gas
  • The energy content of about 27 liters of gasoline

What is a Joule (J)?

A joule (J) is the SI unit of energy, defined as the energy transferred when:

  • A force of one newton moves an object one meter
  • One watt of power is applied for one second
  • One ampere passes through a resistance of one ohm for one second

Conversion Formula

To convert gigajoules to joules, multiply the number of gigajoules by 1,000,000,000:

Joules = Gigajoules × 1,000,000,000