228 BTU/hr·ft²·°F to W/m²·K

228 BTU/hr·ft²·°F = 1,294.643 W/m²·K

BTU/hr·ft²·°FW/m²·K
213 BTU/hr·ft²·°F1,209.469
218 BTU/hr·ft²·°F1,237.861
223 BTU/hr·ft²·°F1,266.252
2281,294.643
233 BTU/hr·ft²·°F1,323.035
238 BTU/hr·ft²·°F1,351.426
243 BTU/hr·ft²·°F1,379.817

228 BTU/hr·ft²·°F = 1,294.643 W/m²·K

Formula

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