3.5 BTU/hr·ft²·°F = 19.874 W/m²·K
| BTU/hr·ft²·°F | W/m²·K |
|---|---|
| 2 BTU/hr·ft²·°F | 11.357 |
| 2.5 BTU/hr·ft²·°F | 14.196 |
| 3 BTU/hr·ft²·°F | 17.035 |
| 3.5 | 19.874 |
| 4 BTU/hr·ft²·°F | 22.713 |
| 4.5 BTU/hr·ft²·°F | 25.552 |
| 5 BTU/hr·ft²·°F | 28.391 |
3.5 BTU/hr·ft²·°F = 19.874 W/m²·K
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)