645 BTU/hr·ft²·°F to W/m²·K

645 BTU/hr·ft²·°F = 3,662.478 W/m²·K

BTU/hr·ft²·°FW/m²·K
630 BTU/hr·ft²·°F3,577.304
635 BTU/hr·ft²·°F3,605.695
640 BTU/hr·ft²·°F3,634.086
6453,662.478
650 BTU/hr·ft²·°F3,690.869
655 BTU/hr·ft²·°F3,719.26
660 BTU/hr·ft²·°F3,747.652

645 BTU/hr·ft²·°F = 3,662.478 W/m²·K

Formula

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