Convert kWh to kilojoules

Kilowatt hours to kilojoules. Enter a value to convert, or use the kWh to kilojoules chart further down the page.

1 kWh = 3,600 kJ

1 kilowatt hour equals 3,600 kilojoules. Going the other way, 1 kilojoule = 0.0002777777778 kilowatt hours.

How to convert kWh to kilojoules

To convert kilowatt hours to kilojoules, multiply the kilowatt hour value by 3600. You can also divide by 0.0002777777778 to get the same answer.

kJ = kWh × 3600

Convert 15 kWh to kilojoules:

15 kWh = 54,000 kJ

Use this kWh to kilojoules table for quick reference without typing anything.

A kilowatt hour is the energy used by a 1,000-watt device running for one hour: exactly 3.6 megajoules. It is the unit on electricity bills.

The kilojoule is 1,000 joules and is the food-energy unit on nutrition labels outside the United States.

How many kilojoules are in a kilowatt hour?

1 kWh equals 3,600 kilojoules. Going the other way, 1 kilojoules is 0.0002777777778 kWh.

How do you convert kWh to kilojoules?

To convert kilowatt hours to kilojoules, multiply the kilowatt hour value by 3600. You can also divide by 0.0002777777778 to get the same answer.

What is 10 kWh in kilojoules?

10 kWh equals 36,000 kilojoules. The conversion chart on this page lists the other values people look up most often.