820 W/m²·K = 144.4104 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 805 W/m²·K | 141.7688 |
| 810 W/m²·K | 142.6493 |
| 815 W/m²·K | 143.5299 |
| 820 | 144.4104 |
| 825 W/m²·K | 145.291 |
| 830 W/m²·K | 146.1715 |
| 835 W/m²·K | 147.0521 |
820 W/m²·K = 144.4104 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)