489.5 W/m²·K = 86.206 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 474.5 W/m²·K | 83.5643 |
| 479.5 W/m²·K | 84.4449 |
| 484.5 W/m²·K | 85.3254 |
| 489.5 | 86.206 |
| 494.5 W/m²·K | 87.0865 |
| 499.5 W/m²·K | 87.9671 |
| 504.5 W/m²·K | 88.8476 |
489.5 W/m²·K = 86.206 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)