221 BTU/hr·ft²·°F = 1,254.895 W/m²·K
| BTU/hr·ft²·°F | W/m²·K |
|---|---|
| 206 BTU/hr·ft²·°F | 1,169.722 |
| 211 BTU/hr·ft²·°F | 1,198.113 |
| 216 BTU/hr·ft²·°F | 1,226.504 |
| 221 | 1,254.895 |
| 226 BTU/hr·ft²·°F | 1,283.287 |
| 231 BTU/hr·ft²·°F | 1,311.678 |
| 236 BTU/hr·ft²·°F | 1,340.069 |
221 BTU/hr·ft²·°F = 1,254.895 W/m²·K
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)