678 BTU/hr·ft²·°F = 3,849.86 W/m²·K
| BTU/hr·ft²·°F | W/m²·K |
|---|---|
| 663 BTU/hr·ft²·°F | 3,764.686 |
| 668 BTU/hr·ft²·°F | 3,793.078 |
| 673 BTU/hr·ft²·°F | 3,821.469 |
| 678 | 3,849.86 |
| 683 BTU/hr·ft²·°F | 3,878.252 |
| 688 BTU/hr·ft²·°F | 3,906.643 |
| 693 BTU/hr·ft²·°F | 3,935.034 |
678 BTU/hr·ft²·°F = 3,849.86 W/m²·K
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)