685.5 W/m²·K to BTU/hr·ft²·°F

685.5 W/m²·K = 120.7236 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
670.5 W/m²·K118.0819
675.5 W/m²·K118.9625
680.5 W/m²·K119.8431
685.5120.7236
690.5 W/m²·K121.6042
695.5 W/m²·K122.4847
700.5 W/m²·K123.3653

685.5 W/m²·K = 120.7236 BTU/hr·ft²·°F

Formula

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