Measurement calculator that can be used to convert Million BTU to Hartree, among others: 1 Million BTU [MMBtu] = 241 999 496 442 910 000 000 000 000 Hartree [Ha]
Convert Million BTU to Hartree: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 'Million BTU [MMBtu]'. Finally choose the unit you want the value to be converted to, in this case 'Hartree [Ha]'.