Convert 1 Calorie (International Table) to British Thermal Unit (It)
0.003968320719327741 BTU (IT)
1 cal (calorie (international table)) is equal to 0.003968320719327741 BTU (IT) (British thermal unit (IT)). To convert from calorie (international table) to British thermal unit (IT), multiply by 0.003968320719327741 or divide by 251.99576111111466.