Convert Gigajoule to Kilowatt-hour using the exact conversion factor. This page provides the formula, reference values, and practical context for engineering, technical calculations, and professional measurement use.
Gigajoule (GJ) = Kilowatt-hour (kWh) × 277.777778
To convert Gigajoule (GJ) to Kilowatt-hour (kWh), multiply the value by 277.777778. The conversion factor is based on standardized unit definitions and is suitable for engineering analysis, system design, and professional measurement workflows.
Convert 1 GJ to kWh.
So, 1 GJ = 277.777778 kWh.
One Gigajoule (GJ) equals 277.777778 Kilowatt-hours (kWh)
Units of energy are standardized measurements used to quantify work, heat transfer, and energy consumption in mechanical, electrical, and thermal systems.
One Kilowatt-hour (kWh) equals 277.777778 Gigajoules (GJ)
Units of energy are standardized measurements used to quantify work, heat transfer, and energy consumption in mechanical, electrical, and thermal systems.
How many Kilowatt-hour (kWh) are in 1 Gigajoule (GJ)?
1 Gigajoule (GJ) = 277.777778 Kilowatt-hours (kWh).
How many Kilowatt-hour (kWh) are in one Gigajoule (GJ)?
One Gigajoule (GJ) equals 277.777778 Kilowatt-hours (kWh).
How many kWh are in one GJ?
One GJ equals 277.777778 kWh.
What is the formula for converting Gigajoule (GJ) to Kilowatt-hour (kWh)?
Multiply the Gigajoule (GJ) value by 277.777778.
Can I reverse the conversion?
Yes. 1 Kilowatt-hours (kWh) = 0.0036 Gigajoule (GJ).
Is this Gigajoule (GJ) to Kilowatt-hour (kWh) conversion accurate for engineering use?
Yes. The conversion uses a standardized conversion factor suitable for engineering calculations, technical analysis, and professional reference.
Can this conversion be used for scientific or technical calculations?
Yes. This conversion is appropriate for scientific analysis, engineering calculations, simulations, and technical documentation where unit consistency is required.
By applying the conversion factor shown above, you can convert Gigajoule (GJ) to Kilowatt-hour (kWh) for power generation analysis, consumption tracking, and energy system planning.
1 GJ = 10⁹ J
1 Gigajoule (GJ) = 10⁹ Joules (J)
One Gigajoule (GJ) equals 10⁹ Joules (J)
1 GJ = 10⁶ kJ
1 Gigajoule (GJ) = 10⁶ Kilojoules (kJ)
One Gigajoule (GJ) equals 10⁶ Kilojoules (kJ)
1 GJ = 1,000 MJ
1 Gigajoule (GJ) = 1,000 Megajoules (MJ)
One Gigajoule (GJ) equals 1,000 Megajoules (MJ)
1 GJ = 2.77778 × 10⁵ Wh
1 Gigajoule (GJ) = 2.77778 × 10⁵ Watt-hours (Wh)
One Gigajoule (GJ) equals 2.77778 × 10⁵ Watt-hours (Wh)
1 GJ = 277.77778 kWh
1 Gigajoule (GJ) = 277.77778 Kilowatt-hours (kWh)
One Gigajoule (GJ) equals 277.77778 Kilowatt-hours (kWh)
1 GJ = 0.27778 MWh
1 Gigajoule (GJ) = 0.27778 Megawatt-hour (MWh)
One Gigajoule (GJ) equals 0.27778 Megawatt-hour (MWh)
1 GJ = 2.39006 × 10⁸ cal
1 Gigajoule (GJ) = 2.39006 × 10⁸ Calories (cal)
One Gigajoule (GJ) equals 2.39006 × 10⁸ Calories (cal)
1 GJ = 2.39006 × 10⁵ kcal
1 Gigajoule (GJ) = 2.39006 × 10⁵ Kilocalories (kcal)
One Gigajoule (GJ) equals 2.39006 × 10⁵ Kilocalories (kcal)
1 GJ = 9.47813 × 10⁵ BTU
1 Gigajoule (GJ) = 9.47813 × 10⁵ British Thermal Units (BTU)
One Gigajoule (GJ) equals 9.47813 × 10⁵ British Thermal Units (BTU)
1 GJ = 7.37562 × 10⁸ ft_lbf
1 Gigajoule (GJ) = 7.37562 × 10⁸ Foot-pound forces (ft⋅lbf)
One Gigajoule (GJ) equals 7.37562 × 10⁸ Foot-pound forces (ft⋅lbf)
1 GJ = 372.50649 hp_h
1 Gigajoule (GJ) = 372.50649 Horsepower-hours (hp⋅h)
One Gigajoule (GJ) equals 372.50649 Horsepower-hours (hp⋅h)
1 GJ = 9.47813 therm_us
1 Gigajoule (GJ) = 9.47813 Therms (US)
One Gigajoule (GJ) equals 9.47813 Therms (US)
1 GJ = 6.24151 × 10²⁷ eV
1 Gigajoule (GJ) = 6.24151 × 10²⁷ Electronvolts (eV)
One Gigajoule (GJ) equals 6.24151 × 10²⁷ Electronvolts (eV)
1 GJ = 6.24151 × 10²⁴ keV
1 Gigajoule (GJ) = 6.24151 × 10²⁴ Kiloelectronvolts (keV)
One Gigajoule (GJ) equals 6.24151 × 10²⁴ Kiloelectronvolts (keV)
1 GJ = 6.24151 × 10²¹ MeV
1 Gigajoule (GJ) = 6.24151 × 10²¹ Megaelectronvolts (MeV)
One Gigajoule (GJ) equals 6.24151 × 10²¹ Megaelectronvolts (MeV)
1 GJ = 6.24151 × 10¹⁸ GeV
1 Gigajoule (GJ) = 6.24151 × 10¹⁸ Gigaelectronvolts (GeV)
One Gigajoule (GJ) equals 6.24151 × 10¹⁸ Gigaelectronvolts (GeV)
1 GJ = 0.02388 toe
1 Gigajoule (GJ) = 0.02388 Tonne of Oil Equivalent (toe)
One Gigajoule (GJ) equals 0.02388 Tonne of Oil Equivalent (toe)
1 GJ = 0.03412 tce
1 Gigajoule (GJ) = 0.03412 Tonne of Coal Equivalent (tce)
One Gigajoule (GJ) equals 0.03412 Tonne of Coal Equivalent (tce)
1 GJ = 2.29371 × 10²⁶ hartree
1 Gigajoule (GJ) = 2.29371 × 10²⁶ Hartrees
One Gigajoule (GJ) equals 2.29371 × 10²⁶ Hartrees