290.5 W/m²·K to BTU/hr·ft²·°F

290.5 W/m²·K = 51.16 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
275.5 W/m²·K48.5184
280.5 W/m²·K49.3989
285.5 W/m²·K50.2795
290.551.16
295.5 W/m²·K52.0406
300.5 W/m²·K52.9211
305.5 W/m²·K53.8017

290.5 W/m²·K = 51.16 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)