12 W/m²·K to BTU/hr·ft²·°F

12 W/m²·K = 2.1133 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
9 W/m²·K1.585
10 W/m²·K1.7611
11 W/m²·K1.9372
122.1133
13 W/m²·K2.2894
14 W/m²·K2.4655
15 W/m²·K2.6417

12 W/m²·K = 2.1133 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)