381 W/m²·K to BTU/hr·ft²·°F

381 W/m²·K = 67.098 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
366 W/m²·K64.4564
371 W/m²·K65.3369
376 W/m²·K66.2175
38167.098
386 W/m²·K67.9786
391 W/m²·K68.8591
396 W/m²·K69.7397

381 W/m²·K = 67.098 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)