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Joule to Kilowatt-hour

1 J = 2.7777778 × 10⁻⁷ kWh

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0

Angle unit

Precision & format
10

1 J equals

2.777777778 × 10⁻⁷kWh

All 21 units
  • JouleJ
    1
  • KilojoulekJ
    0.001
  • MegajouleMJ
    0.000001
  • GigajouleGJ
    1 × 10⁻⁹
  • MillijoulemJ
    1,000
  • Calorie (thermochemical)cal
    exactly 4.184 J
    0.2390057361
  • Kilocalorie (thermochemical)kcal
    food Calorie
    0.0002390057361
  • Calorie (IT)cal (IT)
    International Table
    0.2388458966
  • Kilocalorie (IT)kcal (IT)
    0.0002388458966
  • Watt-hourWh
    0.0002777777778
  • Kilowatt-hourkWh
    2.777777778 × 10⁻⁷
  • Megawatt-hourMWh
    2.777777778 × 10⁻¹⁰
  • BTU (IT)BTU
    International Table
    0.0009478171203
  • BTU (thermochemical)BTU (th)
    0.0009484514148
  • Therm (US)thm
    100 000 BTU
    9.48043428 × 10⁻⁹
  • Foot-poundft·lbf
    0.7375621493
  • Ergerg
    10,000,000
  • ElectronvolteV
    6.241509074 × 10¹⁸
  • KiloelectronvoltkeV
    6.241509074 × 10¹⁵
  • MegaelectronvoltMeV
    6,241,509,074,000
  • Tonne of oil equivalenttoe
    2.388458966 × 10⁻¹¹

Joule to Kilowatt-hour table

Common Joule values converted to Kilowatt-hour
Joule (J)Kilowatt-hour (kWh)
12.7777778 × 10⁻⁷
25.5555556 × 10⁻⁷
50.0000013888889
100.0000027777778
200.0000055555556
500.000013888889
1000.000027777778
2500.000069444444
5000.00013888889
1,0000.00027777778

How the conversion works

Multiply the joule figure by 2.777777778 × 10⁻⁷ to get kilowatt-hour. Every factor on this site is anchored to the SI base unit for energy, so the same number is used everywhere it appears.

Going the other way, 1 kWh = 3,600,000 J — see kilowatt-hour to joule.

See all 21 energy units →

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