688.5 W/m²·K = 121.2519 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 673.5 W/m²·K | 118.6103 |
| 678.5 W/m²·K | 119.4908 |
| 683.5 W/m²·K | 120.3714 |
| 688.5 | 121.2519 |
| 693.5 W/m²·K | 122.1325 |
| 698.5 W/m²·K | 123.013 |
| 703.5 W/m²·K | 123.8936 |
688.5 W/m²·K = 121.2519 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)