648 W/m²·K = 114.1195 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 633 W/m²·K | 111.4778 |
| 638 W/m²·K | 112.3584 |
| 643 W/m²·K | 113.2389 |
| 648 | 114.1195 |
| 653 W/m²·K | 115 |
| 658 W/m²·K | 115.8806 |
| 663 W/m²·K | 116.7611 |
648 W/m²·K = 114.1195 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)