About converting BTU to Calorie
This page converts BTU (BTU) to Calorie (cal). Enter a value above to get an immediate result with the target unit clearly shown.
BTU to Calorie formula
To convert from BTU to Calorie, multiply the starting value by 252.1644007218. This factor expresses how one BTU relates to the selected Calorie unit.
Conversion example: 100 BTU × 252.1644007218 = 25216.4400721797 cal. Therefore, 100 BTU equals 25216.4400721797 Calorie.
This BTU to Calorie conversion compares two units used to express the capacity to perform work or transfer heat. Use BTU (BTU) as the source unit when your original value is recorded in that unit; the calculated result is then presented in Calorie (cal).