456 W/m²·K = 80.3063 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 441 W/m²·K | 77.6646 |
| 446 W/m²·K | 78.5452 |
| 451 W/m²·K | 79.4257 |
| 456 | 80.3063 |
| 461 W/m²·K | 81.1868 |
| 466 W/m²·K | 82.0674 |
| 471 W/m²·K | 82.9479 |
456 W/m²·K = 80.3063 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)