Pick out the wrong unit conversion of thermal conductivity.

• 1 BTU/ft2.hr.°F/ft = 1.488 kcal/m2. hr.°C/m
• 1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m
• 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K
• 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F