121.5 W/m²·K = 21.3974 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 106.5 W/m²·K | 18.7557 |
| 111.5 W/m²·K | 19.6363 |
| 116.5 W/m²·K | 20.5168 |
| 121.5 | 21.3974 |
| 126.5 W/m²·K | 22.278 |
| 131.5 W/m²·K | 23.1585 |
| 136.5 W/m²·K | 24.0391 |
121.5 W/m²·K = 21.3974 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)