490.5 W/m²·K = 86.3821 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 475.5 W/m²·K | 83.7404 |
| 480.5 W/m²·K | 84.621 |
| 485.5 W/m²·K | 85.5015 |
| 490.5 | 86.3821 |
| 495.5 W/m²·K | 87.2626 |
| 500.5 W/m²·K | 88.1432 |
| 505.5 W/m²·K | 89.0238 |
490.5 W/m²·K = 86.3821 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)