688 BTU/hr·ft²·°F to W/m²·K

688 BTU/hr·ft²·°F = 3,906.643 W/m²·K

BTU/hr·ft²·°FW/m²·K
673 BTU/hr·ft²·°F3,821.469
678 BTU/hr·ft²·°F3,849.86
683 BTU/hr·ft²·°F3,878.252
6883,906.643
693 BTU/hr·ft²·°F3,935.034
698 BTU/hr·ft²·°F3,963.425
703 BTU/hr·ft²·°F3,991.817

688 BTU/hr·ft²·°F = 3,906.643 W/m²·K

Formula

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