6902. Pick out the wrong unit conversion of heat transfer rate. September 7, 2025 by Admin 1 kcal/hr= 1.163 Watt 1 Watt = 1.163 kcal/hr 1 BTU/ft².hr = 2.712 kcal/m².hr 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² ✅ The correct answer is option B.