Energy unit converter

Convert joules, watt-hours, kilowatt-hours and kilocalories.

Numbers Stateless

Use a decimal point for fractional values.

Quick guide

Try an example

You enter

Number
1
Convert from
kWh
Convert to
kJ

You get

3600 kJ
How it works & limits

This converter uses the thermochemical kilocalorie of 4,184 joules. Enter a nonnegative amount.

Related tool

Electricity cost calculator