690.5 W/m²·K = 121.6042 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 675.5 W/m²·K | 118.9625 |
| 680.5 W/m²·K | 119.8431 |
| 685.5 W/m²·K | 120.7236 |
| 690.5 | 121.6042 |
| 695.5 W/m²·K | 122.4847 |
| 700.5 W/m²·K | 123.3653 |
| 705.5 W/m²·K | 124.2458 |
690.5 W/m²·K = 121.6042 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)