# What does Kilo watt hour mean?

That means kilowatt times hour - a power of 1 kilowatt, over a time of 1 hour, would give one kilowatt-hour. It is, therefore, a unit of energy (equal to 3,600,000 joules, since a joule is a watt-second).

### How many joules are in 2kwh?

A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds). A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds). A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds). A Joule is…