400 BTU/hr·ft²·°F to W/m²·K

400 BTU/hr·ft²·°F = 2,271.304 W/m²·K

BTU/hr·ft²·°FW/m²·K
385 BTU/hr·ft²·°F2,186.13
390 BTU/hr·ft²·°F2,214.521
395 BTU/hr·ft²·°F2,242.913
4002,271.304
405 BTU/hr·ft²·°F2,299.695
410 BTU/hr·ft²·°F2,328.087
415 BTU/hr·ft²·°F2,356.478

400 BTU/hr·ft²·°F = 2,271.304 W/m²·K

Formula

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