438.5 W/m²·K = 77.2244 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 423.5 W/m²·K | 74.5827 |
| 428.5 W/m²·K | 75.4633 |
| 433.5 W/m²·K | 76.3438 |
| 438.5 | 77.2244 |
| 443.5 W/m²·K | 78.1049 |
| 448.5 W/m²·K | 78.9855 |
| 453.5 W/m²·K | 79.866 |
438.5 W/m²·K = 77.2244 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)