Convert 1 nutrition Calorie to British Thermal Unit (It)
3.96832071932774 BTU (IT)
1 Cal (nutrition Calorie) is equal to 3.96832071932774 BTU (IT) (British thermal unit (IT)). To convert from nutrition Calorie to British thermal unit (IT), multiply by 3.9683207193277408 or divide by 0.25199576111111466.