240 W/m²·K = 42.2665 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 225 W/m²·K | 39.6248 |
| 230 W/m²·K | 40.5054 |
| 235 W/m²·K | 41.3859 |
| 240 | 42.2665 |
| 245 W/m²·K | 43.147 |
| 250 W/m²·K | 44.0276 |
| 255 W/m²·K | 44.9081 |
240 W/m²·K = 42.2665 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)