Convert 1 British Thermal Unit (Iso) to Foot-Pound
778.1723212164775 ft·lbf
1 BTU (ISO) (British thermal unit (ISO)) is equal to 778.1723212164775 ft·lbf (foot-pound). To convert from British thermal unit (ISO) to foot-pound, multiply by 778.1723212164774 or divide by 0.001285062411930497.