685 BTU/hr·ft²·°F to W/m²·K

685 BTU/hr·ft²·°F = 3,889.608 W/m²·K

BTU/hr·ft²·°FW/m²·K
670 BTU/hr·ft²·°F3,804.434
675 BTU/hr·ft²·°F3,832.825
680 BTU/hr·ft²·°F3,861.217
6853,889.608
690 BTU/hr·ft²·°F3,917.999
695 BTU/hr·ft²·°F3,946.391
700 BTU/hr·ft²·°F3,974.782

685 BTU/hr·ft²·°F = 3,889.608 W/m²·K

Formula

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