474 W/m²·K = 83.4763 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 459 W/m²·K | 80.8346 |
| 464 W/m²·K | 81.7152 |
| 469 W/m²·K | 82.5957 |
| 474 | 83.4763 |
| 479 W/m²·K | 84.3568 |
| 484 W/m²·K | 85.2374 |
| 489 W/m²·K | 86.1179 |
474 W/m²·K = 83.4763 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)