230 W/m²·K = 40.5054 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 215 W/m²·K | 37.8637 |
| 220 W/m²·K | 38.7443 |
| 225 W/m²·K | 39.6248 |
| 230 | 40.5054 |
| 235 W/m²·K | 41.3859 |
| 240 W/m²·K | 42.2665 |
| 245 W/m²·K | 43.147 |
230 W/m²·K = 40.5054 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)