449 W/m²·K = 79.0735 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 434 W/m²·K | 76.4319 |
| 439 W/m²·K | 77.3124 |
| 444 W/m²·K | 78.193 |
| 449 | 79.0735 |
| 454 W/m²·K | 79.9541 |
| 459 W/m²·K | 80.8346 |
| 464 W/m²·K | 81.7152 |
449 W/m²·K = 79.0735 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)