Convert between Gigawatt-hour and other Energy units.
This calculator allows you to convert from Gigawatt-hour to Btu (IT) and in a reverse direction. To convert from Gigawatt-hour to Btu (IT), enter the amount of Gigawatt-hour into the first input and to convert from Btu (IT) to Gigawatt-hour, enter the amount of Btu (IT) into the second input.