66.5 W/m²·K to BTU/hr·ft²·°F

66.5 W/m²·K = 11.7113 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
51.5 W/m²·K9.0697
56.5 W/m²·K9.9502
61.5 W/m²·K10.8308
66.511.7113
71.5 W/m²·K12.5919
76.5 W/m²·K13.4724
81.5 W/m²·K14.353

66.5 W/m²·K = 11.7113 BTU/hr·ft²·°F

Formula

1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)