678.5 W/m²·K = 119.4908 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 663.5 W/m²·K | 116.8492 |
| 668.5 W/m²·K | 117.7297 |
| 673.5 W/m²·K | 118.6103 |
| 678.5 | 119.4908 |
| 683.5 W/m²·K | 120.3714 |
| 688.5 W/m²·K | 121.2519 |
| 693.5 W/m²·K | 122.1325 |
678.5 W/m²·K = 119.4908 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)