This calculator allows you to convert from Btu (IT) to Attojoule and in a reverse direction. To convert from Btu (IT) to Attojoule, enter the amount of Btu (IT) into the first input and to convert from Attojoule to Btu (IT), enter the amount of Attojoule into the second input.
1 Btu (IT) = 1.05505585262E+21 Attojoule
To convert Btu (IT) to Attojoule: Every 1 Btu (IT) equals 1.05505585262E+21 Attojoule. For example, 100 Btu (IT) equal 100 * 1.05505585262E+21 = 1.05505585262E+23 Attojoule and so on..
Btu (IT) to Joule | Btu (IT) to Kilojoule | Btu (IT) to Calorie (IT) | Btu (IT) to Erg | Btu (IT) to Watt-hour | Btu (IT) to Watt-second |