81 BTU/hr·ft²·°F = 459.939 W/m²·K
| BTU/hr·ft²·°F | W/m²·K |
|---|---|
| 66 BTU/hr·ft²·°F | 374.765 |
| 71 BTU/hr·ft²·°F | 403.156 |
| 76 BTU/hr·ft²·°F | 431.548 |
| 81 | 459.939 |
| 86 BTU/hr·ft²·°F | 488.33 |
| 91 BTU/hr·ft²·°F | 516.722 |
| 96 BTU/hr·ft²·°F | 545.113 |
81 BTU/hr·ft²·°F = 459.939 W/m²·K
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)