645 W/m²·K = 113.5911 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 630 W/m²·K | 110.9495 |
| 635 W/m²·K | 111.83 |
| 640 W/m²·K | 112.7106 |
| 645 | 113.5911 |
| 650 W/m²·K | 114.4717 |
| 655 W/m²·K | 115.3522 |
| 660 W/m²·K | 116.2328 |
645 W/m²·K = 113.5911 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)