809 W/m²·K = 142.4732 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 794 W/m²·K | 139.8316 |
| 799 W/m²·K | 140.7121 |
| 804 W/m²·K | 141.5927 |
| 809 | 142.4732 |
| 814 W/m²·K | 143.3538 |
| 819 W/m²·K | 144.2343 |
| 824 W/m²·K | 145.1149 |
809 W/m²·K = 142.4732 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)