721 W/m²·K = 126.9755 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 706 W/m²·K | 124.3339 |
| 711 W/m²·K | 125.2144 |
| 716 W/m²·K | 126.095 |
| 721 | 126.9755 |
| 726 W/m²·K | 127.8561 |
| 731 W/m²·K | 128.7366 |
| 736 W/m²·K | 129.6172 |
721 W/m²·K = 126.9755 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)