408.5 W/m²·K = 71.9411 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 393.5 W/m²·K | 69.2994 |
| 398.5 W/m²·K | 70.1799 |
| 403.5 W/m²·K | 71.0605 |
| 408.5 | 71.9411 |
| 413.5 W/m²·K | 72.8216 |
| 418.5 W/m²·K | 73.7022 |
| 423.5 W/m²·K | 74.5827 |
408.5 W/m²·K = 71.9411 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)