Gigajoule to Watt-hour conversion

Convert between Gigajoule (GJ) and Watt-hour (Wh) or vice versa.

About Gigajoule to Watt-hour conversion

What is Gigajoule?

Gigajoule is a unit of energy equal to one billion joules, used in various energy applications.

What is Watt-hour?

Watt-hour is the amount of energy transferred when one watt of power is applied for one hour, commonly used for measuring energy consumption.

How to convert Gigajoule to Watt-hour using our tool?

Enter the Gigajoule value in the input field above. Our tool will automatically convert the value to Watt-hour. You can also use the dropdown to select any other unit you want to convert to. The conversion is instant and you can see the result immediately, even when you change the units.