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BTU to Calories

Type a value in BTU and the cal equivalent appears instantly.

BTU

How to convert BTU to cal

Multiply the BTU value by 252.1644.

1 BTU = 252.1644 cal

Quick conversion table

BTUcal
1252.1644
2504.3288
51260.822
102521.644
205043.288
5012608.22
10025216.4401
500126082.2004
1000252164.4007

About the units

BTU (BTU): British thermal unit, about 1,055 J. Heating and air conditioning in the US.

Calories (cal): The small (gram) calorie: 4.184 J. Chemistry, not food labels.