509.5 W/m²·K = 89.7282 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 494.5 W/m²·K | 87.0865 |
| 499.5 W/m²·K | 87.9671 |
| 504.5 W/m²·K | 88.8476 |
| 509.5 | 89.7282 |
| 514.5 W/m²·K | 90.6087 |
| 519.5 W/m²·K | 91.4893 |
| 524.5 W/m²·K | 92.3698 |
509.5 W/m²·K = 89.7282 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)