689.5 W/m²·K = 121.428 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 674.5 W/m²·K | 118.7864 |
| 679.5 W/m²·K | 119.6669 |
| 684.5 W/m²·K | 120.5475 |
| 689.5 | 121.428 |
| 694.5 W/m²·K | 122.3086 |
| 699.5 W/m²·K | 123.1891 |
| 704.5 W/m²·K | 124.0697 |
689.5 W/m²·K = 121.428 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)