Convert 1 Kilocalorie to British Thermal Unit (Iso)
3.9683051200878845 BTU (ISO)
1 kcal (kilocalorie) is equal to 3.9683051200878845 BTU (ISO) (British thermal unit (ISO)). To convert from kilocalorie to British thermal unit (ISO), multiply by 3.9683051200878854 or divide by 0.25199675169581043.