Convert Kilowatt-hour to Megajoule Online

About Kilowatt-hour to Megajoule Conversion

This converter converts Kilowatt-hour (kWh) to Megajoule (MJ). One Kilowatt-hour (kWh) equals 3.6 Megajoule (MJ).

Formula:

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

Example:

1 kWh = 3.6 MJ
2 kWh = 7.2 MJ

Kilowatt-hour (kWh) to Megajoule (MJ) Conversion

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

Conversion Formula

Megajoule = Kilowatt-hour × 3.6

To convert Kilowatt-hour (kWh) to Megajoule (MJ), multiply the value by 3.6. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 kWh to MJ.

  • Step 1: Write the formula: MJ = kWh × 3.6
  • Step 2: Substitute: 1 × 3.6
  • Step 3: Result: 3.6 MJ
So, 1 kWh = 3.6 MJ.

About the Units

Kilowatt-hour (kWh)

One Kilowatt-hour (kWh) equals 3.6 Megajoule (MJ)

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

Megajoule (MJ)

One Megajoule (MJ) equals 0.277778 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 Megajoule for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Megajoule 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 Megajoule (MJ) are in 1 Kilowatt-hour (kWh)?

1 kWh = 3.6 MJ.

What is the formula for converting Kilowatt-hour (kWh) to Megajoule (MJ)?

Multiply the kWh value by 3.6.

Can I reverse the conversion?

Yes. 1 MJ = 0.277778 kWh.

Conclusion

By applying the conversion factor shown above, you can reliably convert Kilowatt-hour (kWh) to Megajoule (MJ) 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 Megajoule to Other Units

Megajoule to Joule

1 MJ = 1000000 J

1 Megajoule (MJ) = 1000000 Joules (J)

1 MJ equals 1000000 Js.

Megajoule to Kilojoule

1 MJ = 1000 kJ

1 Megajoule (MJ) = 1000 Kilojoules (kJ)

1 MJ equals 1000 kJs.

Megajoule to Gigajoule

1 MJ = 0.001 GJ

1 Megajoule (MJ) = 0.001 Gigajoule (GJ)

1 MJ equals 0.001 GJ.

Megajoule to Watt-hour

1 MJ = 277.77777777777777 Wh

1 Megajoule (MJ) = 277.77777777777777 Watt-hours (Wh)

1 MJ equals 277.77777777777777 Whs.

Megajoule to Kilowatt-hour

1 MJ = 0.2777777777777778 kWh

1 Megajoule (MJ) = 0.2777777777777778 Kilowatt-hour (kWh)

1 MJ equals 0.2777777777777778 kWh.

Megajoule to Megawatt-hour

1 MJ = 0.0002777777777777778 MWh

1 Megajoule (MJ) = 0.0002777777777777778 Megawatt-hour (MWh)

1 MJ equals 0.0002777777777777778 MWh.

Megajoule to Erg

1 MJ = 10000000000000 erg

1 Megajoule (MJ) = 10000000000000 Ergs

1 MJ equals 10000000000000 ergs.

Megajoule to Calorie

1 MJ = 239005.7361376673 cal

1 Megajoule (MJ) = 239005.7361376673 Calories (cal)

1 MJ equals 239005.7361376673 cals.

Megajoule to Kilocalorie

1 MJ = 239.0057361376673 kcal

1 Megajoule (MJ) = 239.0057361376673 Kilocalories (kcal)

1 MJ equals 239.0057361376673 kcals.

Megajoule to British Thermal Unit

1 MJ = 947.8133944988911 BTU

1 Megajoule (MJ) = 947.8133944988911 British Thermal Units (BTU)

1 MJ equals 947.8133944988911 BTUs.

Megajoule to Foot-pound force

1 MJ = 737562.1494575464 ft_lbf

1 Megajoule (MJ) = 737562.1494575464 Foot-pound forces (ft⋅lbf)

1 MJ equals 737562.1494575464 ft_lbves.

Megajoule to Horsepower-hour

1 MJ = 0.372506488131757 hp_h

1 Megajoule (MJ) = 0.372506488131757 Horsepower-hour (hp⋅h)

1 MJ equals 0.372506488131757 hp_h.

Megajoule to Therm

1 MJ = 0.00947813394498891 therm_us

1 Megajoule (MJ) = 0.00947813394498891 Therm (US)

1 MJ equals 0.00947813394498891 therm_us.

Megajoule to Electronvolt

1 MJ = 6.241509074460763e+24 eV

1 Megajoule (MJ) = 6.241509074460763e+24 Electronvolts (eV)

1 MJ equals 6.241509074460763e+24 eVs.

Megajoule to Kiloelectronvolt

1 MJ = 6.241509074460763e+21 keV

1 Megajoule (MJ) = 6.241509074460763e+21 Kiloelectronvolts (keV)

1 MJ equals 6.241509074460763e+21 keVs.

Megajoule to Megaelectronvolt

1 MJ = 6241509074460762000 MeV

1 Megajoule (MJ) = 6241509074460762000 Megaelectronvolts (MeV)

1 MJ equals 6241509074460762000 MeVs.

Megajoule to Gigaelectronvolt

1 MJ = 6241509074460762 GeV

1 Megajoule (MJ) = 6241509074460762 Gigaelectronvolts (GeV)

1 MJ equals 6241509074460762 GeVs.

Megajoule to Tonne of Oil Equivalent

1 MJ = 0.000023884589662749594 toe

1 Megajoule (MJ) = 0.000023884589662749594 Tonne of Oil Equivalent (toe)

1 MJ equals 0.000023884589662749594 toe.

Megajoule to Tonne of Coal Equivalent

1 MJ = 0.00003412084237535656 tce

1 Megajoule (MJ) = 0.00003412084237535656 Tonne of Coal Equivalent (tce)

1 MJ equals 0.00003412084237535656 tce.

Megajoule to Hartree

1 MJ = 2.293712278396325e+23 hartree

1 Megajoule (MJ) = 2.293712278396325e+23 Hartrees

1 MJ equals 2.293712278396325e+23 hartrees.