British thermal unit -> Gigajoule
Measurement calculator that can be used to convert British thermal unit to Gigajoule, among others: 1 British thermal unit [Btu] = 0.000 001 055 055 852 62 Gigajoule [GJ]
Convert British thermal unit to Gigajoule:Choose the right category from the selection list, in this case 'Energy'. Next enter the value you want to convert. From the selection list, choose the unit that corresponds to the value you want to convert, in this case 'British thermal unit [Btu]'. Finally choose the unit you want the value to be converted to, in this case 'Gigajoule [GJ]'.