What is 21 Kilocalories in British Thermal Units?
21 kcal = 83.279003 BTU
21 Kilocalories is equal to 83.279003 British Thermal Units.
21 kcal × 3.965667 = 83.279003 BTU
21 Kilocalories is equal to 83.279003 British Thermal Units.
21 kcal × 3.965667 = 83.279003 BTU