642 BTU/hr·ft²·°F to W/m²·K

642 BTU/hr·ft²·°F = 3,645.443 W/m²·K

BTU/hr·ft²·°FW/m²·K
627 BTU/hr·ft²·°F3,560.269
632 BTU/hr·ft²·°F3,588.66
637 BTU/hr·ft²·°F3,617.052
6423,645.443
647 BTU/hr·ft²·°F3,673.834
652 BTU/hr·ft²·°F3,702.226
657 BTU/hr·ft²·°F3,730.617

642 BTU/hr·ft²·°F = 3,645.443 W/m²·K

Formula

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