643.5 BTU/hr·ft²·°F to W/m²·K

643.5 BTU/hr·ft²·°F = 3,653.96 W/m²·K

BTU/hr·ft²·°FW/m²·K
628.5 BTU/hr·ft²·°F3,568.786
633.5 BTU/hr·ft²·°F3,597.178
638.5 BTU/hr·ft²·°F3,625.569
643.53,653.96
648.5 BTU/hr·ft²·°F3,682.352
653.5 BTU/hr·ft²·°F3,710.743
658.5 BTU/hr·ft²·°F3,739.134

643.5 BTU/hr·ft²·°F = 3,653.96 W/m²·K

Formula

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