A BTU/hr.ft.2 °F is equal to August 23, 2022 by admin Question: A BTU/hr.ft.2 °F is equal to [A]. 1 kcal/hr. m2°C. [B]. 4.88 kcal/hr. m.2°C. [C]. 1 kcal/hr. m2.°K. [D]. none of these. Answer: Option B Explanation: No answer description available for this question.