309.5 W/m²·K = 54.5061 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 294.5 W/m²·K | 51.8645 |
| 299.5 W/m²·K | 52.745 |
| 304.5 W/m²·K | 53.6256 |
| 309.5 | 54.5061 |
| 314.5 W/m²·K | 55.3867 |
| 319.5 W/m²·K | 56.2672 |
| 324.5 W/m²·K | 57.1478 |
309.5 W/m²·K = 54.5061 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)