680 BTU/hr·ft²·°F = 3,861.217 W/m²·K
| BTU/hr·ft²·°F | W/m²·K |
|---|---|
| 665 BTU/hr·ft²·°F | 3,776.043 |
| 670 BTU/hr·ft²·°F | 3,804.434 |
| 675 BTU/hr·ft²·°F | 3,832.825 |
| 680 | 3,861.217 |
| 685 BTU/hr·ft²·°F | 3,889.608 |
| 690 BTU/hr·ft²·°F | 3,917.999 |
| 695 BTU/hr·ft²·°F | 3,946.391 |
680 BTU/hr·ft²·°F = 3,861.217 W/m²·K
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)