Convert between different units quickly and accurately in a modern way
Choose a Measurement
Select a measurement and convert between different units
Multiple conversions
To convert from Gigajoule (GJ) to Watt-second (Ws), use the following formula:
To convert from Gigajoule (GJ) to Watt-minute (Wm), use the following formula:
To convert from Gigajoule (GJ) to Watt-hour (Wh), use the following formula:
To convert from Gigajoule (GJ) to Milliwatt-hour (mWh), use the following formula:
To convert from Gigajoule (GJ) to Kilowatt-hour (kWh), use the following formula:
To convert from Gigajoule (GJ) to Megawatt-hour (MWh), use the following formula:
To convert from Gigajoule (GJ) to Gigawatt-hour (GWh), use the following formula:
To convert from Gigajoule (GJ) to Joule (J), use the following formula:
To convert from Gigajoule (GJ) to Kilojoule (kJ), use the following formula:
To convert from Gigajoule (GJ) to Megajoule (MJ), use the following formula:
To convert from Gigajoule (GJ) to calorie (cal), use the following formula:
With is the ratio between the base units calorie (cal) and Joule (J).
To convert from Gigajoule (GJ) to Kilocalorie (kcal), use the following formula:
With is the ratio between the base units calorie (cal) and Joule (J).
Ever looked at your energy bill and wondered what a Gigajoule (GJ) is?
It's a standard unit used to measure energy, just like a kilowatt-hour is for electricity or a gallon is for gasoline.
Specifically, a Gigajoule (GJ) is a metric unit of energy in the International System of Units (SI).
One gigajoule is equal to one billion Joules ( J).
A single gigajoule contains a significant amount of energy. To put it into perspective, one GJ is roughly equivalent to:
This makes it an efficient unit for measuring large-scale energy consumption, such as heating your home or powering industrial processes.
You'll most commonly encounter the gigajoule in a few key areas:
Understanding how the gigajoule compares to other units helps compare the costs and efficiencies of different energy sources.
Here are some key gigajoule conversions: