657 W/m²·K = 115.7045 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 642 W/m²·K | 113.0628 |
| 647 W/m²·K | 113.9434 |
| 652 W/m²·K | 114.8239 |
| 657 | 115.7045 |
| 662 W/m²·K | 116.585 |
| 667 W/m²·K | 117.4656 |
| 672 W/m²·K | 118.3461 |
657 W/m²·K = 115.7045 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)