Convert kWh to joules

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

1 kWh = 3,600,000 J

1 kilowatt hour equals 3,600,000 joules. Going the other way, 1 joule = 0.0000002777777778 kilowatt hours.

How to convert kWh to joules

To convert kilowatt hours to joules, multiply the kilowatt hour value by 3600000. You can also divide by 0.0000002777777778 to get the same answer.

J = kWh × 3600000

Convert 15 kWh to joules:

15 kWh = 54,000,000 J

Use this kWh to joules 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 joule is the SI unit of energy: the work done by a force of one newton acting over one meter.

How many joules are in a kilowatt hour?

1 kWh equals 3,600,000 joules. Going the other way, 1 joules is 0.0000002777777778 kWh.

How do you convert kWh to joules?

To convert kilowatt hours to joules, multiply the kilowatt hour value by 3600000. You can also divide by 0.0000002777777778 to get the same answer.

What is 10 kWh in joules?

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