Gigajoule (GJ) - Unit Information & Conversion
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What is a Gigajoule?
Gigajoule (GJ) = 1 billion joules = 1,000 MJ. Used for natural gas billing, industrial energy, large systems. 1 GJ = 277.8 kWh = 948,000 BTU. Household monthly gas: ~10-20 GJ. Power plant hourly: ~1,000 GJ.
History of the Gigajoule
Standard energy unit used in science, engineering, and industry. Conversion: 1 GJ = 1,000,000,000 joules.
Quick Answer
What is Gigajoule? Gigajoule (GJ) = 1 billion joules = 1,000 MJ. Used for natural gas billing, industrial energy, large systems. 1 GJ = 277.8 kWh = 948,000 BTU. Household monthly gas: ~10-20 GJ. Power plant hourly: ~1,000 GJ. Use our energy converter for instant conversions.
Definition
1 GJ = 1,000,000,000 joules (J)
Common Uses
Used in physics, engineering, energy systems, and scientific calculations where this energy scale is appropriate for the application.
Gigajoule Conversion Formulas
To Joule:
To Kilojoule:
To Megajoule:
To Watt-hour:
To Kilowatt-hour:
To Megawatt-hour:
To Calorie:
To Kilocalorie:
To British Thermal Unit:
To Therm:
To Foot-pound:
To Electronvolt:
To Erg:
To Quad:
Frequently Asked Questions
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Gigajoule Quick Info
Related Energy Units
Popular Conversions
- Gigajoule to JouleConvert →1 GJ = 1000000000 J
- Gigajoule to KilojouleConvert →1 GJ = 1000000 kJ
- Gigajoule to MegajouleConvert →1 GJ = 1000 MJ
- Gigajoule to Watt-hourConvert →1 GJ = 277777.777778 Wh
- Gigajoule to Kilowatt-hourConvert →1 GJ = 277.777778 kWh
- Gigajoule to Megawatt-hourConvert →1 GJ = 0.277778 MWh