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Kilowatt hours to Kilojoules

One kilowatt hour is 3,600 kilojoules. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.

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3,600

1 kilowatt hour = 3,600 kilojoules · open this conversion

Formula

kilojoules = kilowatt hours × 3,600

A food Calorie (capital C) is a kilocalorie. The thermochemical calorie of 4.184 J is used here.

Kilowatt hours to Kilojoules table

Kilowatt hoursKilojoules
1 kWh3,600 kJ
2 kWh7,200 kJ
5 kWh18,000 kJ
10 kWh36,000 kJ
20 kWh72,000 kJ
25 kWh90,000 kJ
50 kWh180,000 kJ
100 kWh360,000 kJ
150 kWh540,000 kJ
200 kWh720,000 kJ
250 kWh900,000 kJ
300 kWh1,080,000 kJ
400 kWh1,440,000 kJ
500 kWh1,800,000 kJ
600 kWh2,160,000 kJ
800 kWh2,880,000 kJ
1,000 kWh3,600,000 kJ
1,500 kWh5,400,000 kJ
2,000 kWh7,200,000 kJ
2,500 kWh9,000,000 kJ
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Frequently asked questions

How many kilojoules are in a kilowatt hour?
One kilowatt hour is 3,600 kilojoules. kilojoules = kilowatt hours × 3,600.
How do I convert kilowatt hours to kilojoules?
Multiply the number of kilowatt hours by 3,600. For example, 10 kWh × 3,600 = 36,000 kJ.
What is the difference between kilowatt hours and kilojoules?
Kilowatt hour (kWh) and Kilojoule (kJ) both measure energy. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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