Convert Kilowatt-hour to Gigajoule Online

About Kilowatt-hour to Gigajoule Conversion

This converter converts Kilowatt-hour (kWh) to Gigajoule (GJ). One Kilowatt-hour (kWh) equals 0.0036 Gigajoule (GJ).

Formula:

1 Kilowatt-hour (kWh) = 0.0036 Gigajoule (GJ)

Example:

1 kWh = 0.0036 GJ
2 kWh = 0.0072 GJ

Kilowatt-hour (kWh) to Gigajoule (GJ) Conversion

A clear guide to converting Kilowatt-hour into Gigajoule. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Gigajoule = Kilowatt-hour × 0.0036

To convert Kilowatt-hour (kWh) to Gigajoule (GJ), multiply the value by 0.0036. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 kWh to GJ.

  • Step 1: Write the formula: GJ = kWh × 0.0036
  • Step 2: Substitute: 1 × 0.0036
  • Step 3: Result: 0.0036 GJ
So, 1 kWh = 0.0036 GJ.

About the Units

Kilowatt-hour (kWh)

One Kilowatt-hour (kWh) equals 0.0036 Gigajoule (GJ)

Used for extremely large distances such as astronomical or planetary scales.

Gigajoule (GJ)

One Gigajoule (GJ) equals 277.777778 Kilowatt-hour (kWh)

Used for extremely large distances such as astronomical or planetary scales.

Where This Conversion Is Used

  • Converting values from Kilowatt-hour to Gigajoule for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Gigajoule representation.
  • Applied when comparing different measurement systems across tools and documents.
  • Essential in astronomy, orbital mechanics, and large-scale simulations.

Frequently Asked Questions

How many Gigajoule (GJ) are in 1 Kilowatt-hour (kWh)?

1 kWh = 0.0036 GJ.

What is the formula for converting Kilowatt-hour (kWh) to Gigajoule (GJ)?

Multiply the kWh value by 0.0036.

Can I reverse the conversion?

Yes. 1 GJ = 277.777778 kWh.

Conclusion

By applying the conversion factor shown above, you can reliably convert Kilowatt-hour (kWh) to Gigajoule (GJ) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Kilowatt-hour to Other Units

Kilowatt-hour to Joule

1 kWh = 3600000 J

1 Kilowatt-hour (kWh) = 3600000 Joules (J)

1 kWh equals 3600000 Js.

Kilowatt-hour to Kilojoule

1 kWh = 3600 kJ

1 Kilowatt-hour (kWh) = 3600 Kilojoules (kJ)

1 kWh equals 3600 kJs.

Kilowatt-hour to Megajoule

1 kWh = 3.6 MJ

1 Kilowatt-hour (kWh) = 3.6 Megajoules (MJ)

1 kWh equals 3.6 MJs.

Kilowatt-hour to Gigajoule

1 kWh = 0.0036 GJ

1 Kilowatt-hour (kWh) = 0.0036 Gigajoule (GJ)

1 kWh equals 0.0036 GJ.

Kilowatt-hour to Watt-hour

1 kWh = 1000 Wh

1 Kilowatt-hour (kWh) = 1000 Watt-hours (Wh)

1 kWh equals 1000 Whs.

Kilowatt-hour to Megawatt-hour

1 kWh = 0.001 MWh

1 Kilowatt-hour (kWh) = 0.001 Megawatt-hour (MWh)

1 kWh equals 0.001 MWh.

Kilowatt-hour to Erg

1 kWh = 36000000000000 erg

1 Kilowatt-hour (kWh) = 36000000000000 Ergs

1 kWh equals 36000000000000 ergs.

Kilowatt-hour to Calorie

1 kWh = 860420.6500956023 cal

1 Kilowatt-hour (kWh) = 860420.6500956023 Calories (cal)

1 kWh equals 860420.6500956023 cals.

Kilowatt-hour to Kilocalorie

1 kWh = 860.4206500956022 kcal

1 Kilowatt-hour (kWh) = 860.4206500956022 Kilocalories (kcal)

1 kWh equals 860.4206500956022 kcals.

Kilowatt-hour to British Thermal Unit

1 kWh = 3412.128220196008 BTU

1 Kilowatt-hour (kWh) = 3412.128220196008 British Thermal Units (BTU)

1 kWh equals 3412.128220196008 BTUs.

Kilowatt-hour to Foot-pound force

1 kWh = 2655223.738047167 ft_lbf

1 Kilowatt-hour (kWh) = 2655223.738047167 Foot-pound forces (ft⋅lbf)

1 kWh equals 2655223.738047167 ft_lbves.

Kilowatt-hour to Horsepower-hour

1 kWh = 1.3410233572743253 hp_h

1 Kilowatt-hour (kWh) = 1.3410233572743253 Horsepower-hours (hp⋅h)

1 kWh equals 1.3410233572743253 hp_hs.

Kilowatt-hour to Therm

1 kWh = 0.034121282201960076 therm_us

1 Kilowatt-hour (kWh) = 0.034121282201960076 Therm (US)

1 kWh equals 0.034121282201960076 therm_us.

Kilowatt-hour to Electronvolt

1 kWh = 2.2469432668058746e+25 eV

1 Kilowatt-hour (kWh) = 2.2469432668058746e+25 Electronvolts (eV)

1 kWh equals 2.2469432668058746e+25 eVs.

Kilowatt-hour to Kiloelectronvolt

1 kWh = 2.2469432668058747e+22 keV

1 Kilowatt-hour (kWh) = 2.2469432668058747e+22 Kiloelectronvolts (keV)

1 kWh equals 2.2469432668058747e+22 keVs.

Kilowatt-hour to Megaelectronvolt

1 kWh = 22469432668058743000 MeV

1 Kilowatt-hour (kWh) = 22469432668058743000 Megaelectronvolts (MeV)

1 kWh equals 22469432668058743000 MeVs.

Kilowatt-hour to Gigaelectronvolt

1 kWh = 22469432668058744 GeV

1 Kilowatt-hour (kWh) = 22469432668058744 Gigaelectronvolts (GeV)

1 kWh equals 22469432668058744 GeVs.

Kilowatt-hour to Tonne of Oil Equivalent

1 kWh = 0.00008598452278589854 toe

1 Kilowatt-hour (kWh) = 0.00008598452278589854 Tonne of Oil Equivalent (toe)

1 kWh equals 0.00008598452278589854 toe.

Kilowatt-hour to Tonne of Coal Equivalent

1 kWh = 0.00012283503255128362 tce

1 Kilowatt-hour (kWh) = 0.00012283503255128362 Tonne of Coal Equivalent (tce)

1 kWh equals 0.00012283503255128362 tce.

Kilowatt-hour to Hartree

1 kWh = 8.25736420222677e+23 hartree

1 Kilowatt-hour (kWh) = 8.25736420222677e+23 Hartrees

1 kWh equals 8.25736420222677e+23 hartrees.

Convert Gigajoule to Other Units

Gigajoule to Joule

1 GJ = 1000000000 J

1 Gigajoule (GJ) = 1000000000 Joules (J)

1 GJ equals 1000000000 Js.

Gigajoule to Kilojoule

1 GJ = 1000000 kJ

1 Gigajoule (GJ) = 1000000 Kilojoules (kJ)

1 GJ equals 1000000 kJs.

Gigajoule to Megajoule

1 GJ = 1000 MJ

1 Gigajoule (GJ) = 1000 Megajoules (MJ)

1 GJ equals 1000 MJs.

Gigajoule to Watt-hour

1 GJ = 277777.77777777775 Wh

1 Gigajoule (GJ) = 277777.77777777775 Watt-hours (Wh)

1 GJ equals 277777.77777777775 Whs.

Gigajoule to Kilowatt-hour

1 GJ = 277.77777777777777 kWh

1 Gigajoule (GJ) = 277.77777777777777 Kilowatt-hours (kWh)

1 GJ equals 277.77777777777777 kWhs.

Gigajoule to Megawatt-hour

1 GJ = 0.2777777777777778 MWh

1 Gigajoule (GJ) = 0.2777777777777778 Megawatt-hour (MWh)

1 GJ equals 0.2777777777777778 MWh.

Gigajoule to Erg

1 GJ = 10000000000000000 erg

1 Gigajoule (GJ) = 10000000000000000 Ergs

1 GJ equals 10000000000000000 ergs.

Gigajoule to Calorie

1 GJ = 239005736.1376673 cal

1 Gigajoule (GJ) = 239005736.1376673 Calories (cal)

1 GJ equals 239005736.1376673 cals.

Gigajoule to Kilocalorie

1 GJ = 239005.7361376673 kcal

1 Gigajoule (GJ) = 239005.7361376673 Kilocalories (kcal)

1 GJ equals 239005.7361376673 kcals.

Gigajoule to British Thermal Unit

1 GJ = 947813.3944988911 BTU

1 Gigajoule (GJ) = 947813.3944988911 British Thermal Units (BTU)

1 GJ equals 947813.3944988911 BTUs.

Gigajoule to Foot-pound force

1 GJ = 737562149.4575465 ft_lbf

1 Gigajoule (GJ) = 737562149.4575465 Foot-pound forces (ft⋅lbf)

1 GJ equals 737562149.4575465 ft_lbves.

Gigajoule to Horsepower-hour

1 GJ = 372.506488131757 hp_h

1 Gigajoule (GJ) = 372.506488131757 Horsepower-hours (hp⋅h)

1 GJ equals 372.506488131757 hp_hs.

Gigajoule to Therm

1 GJ = 9.47813394498891 therm_us

1 Gigajoule (GJ) = 9.47813394498891 Therms (US)

1 GJ equals 9.47813394498891 therm_uses.

Gigajoule to Electronvolt

1 GJ = 6.241509074460763e+27 eV

1 Gigajoule (GJ) = 6.241509074460763e+27 Electronvolts (eV)

1 GJ equals 6.241509074460763e+27 eVs.

Gigajoule to Kiloelectronvolt

1 GJ = 6.241509074460763e+24 keV

1 Gigajoule (GJ) = 6.241509074460763e+24 Kiloelectronvolts (keV)

1 GJ equals 6.241509074460763e+24 keVs.

Gigajoule to Megaelectronvolt

1 GJ = 6.241509074460763e+21 MeV

1 Gigajoule (GJ) = 6.241509074460763e+21 Megaelectronvolts (MeV)

1 GJ equals 6.241509074460763e+21 MeVs.

Gigajoule to Gigaelectronvolt

1 GJ = 6241509074460762000 GeV

1 Gigajoule (GJ) = 6241509074460762000 Gigaelectronvolts (GeV)

1 GJ equals 6241509074460762000 GeVs.

Gigajoule to Tonne of Oil Equivalent

1 GJ = 0.023884589662749593 toe

1 Gigajoule (GJ) = 0.023884589662749593 Tonne of Oil Equivalent (toe)

1 GJ equals 0.023884589662749593 toe.

Gigajoule to Tonne of Coal Equivalent

1 GJ = 0.034120842375356564 tce

1 Gigajoule (GJ) = 0.034120842375356564 Tonne of Coal Equivalent (tce)

1 GJ equals 0.034120842375356564 tce.

Gigajoule to Hartree

1 GJ = 2.293712278396325e+26 hartree

1 Gigajoule (GJ) = 2.293712278396325e+26 Hartrees

1 GJ equals 2.293712278396325e+26 hartrees.