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