423.5 W/m²·K to BTU/hr·ft²·°F

423.5 W/m²·K = 74.5827 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
408.5 W/m²·K71.9411
413.5 W/m²·K72.8216
418.5 W/m²·K73.7022
423.574.5827
428.5 W/m²·K75.4633
433.5 W/m²·K76.3438
438.5 W/m²·K77.2244

423.5 W/m²·K = 74.5827 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)