681 W/m²·K = 119.9311 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 666 W/m²·K | 117.2895 |
| 671 W/m²·K | 118.17 |
| 676 W/m²·K | 119.0506 |
| 681 | 119.9311 |
| 686 W/m²·K | 120.8117 |
| 691 W/m²·K | 121.6922 |
| 696 W/m²·K | 122.5728 |
681 W/m²·K = 119.9311 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)