Convert 20 Gigajoule to Therm (US): 20 Gigajoule in Therm (US)
This calculator allows you to convert from Gigajoule to Therm (US) and in a reverse direction. To convert from Gigajoule to Therm (US), enter the amount of Gigajoule into the first input and to convert from Therm (US) to Gigajoule, enter the amount of Therm (US) into the second input.