868 W/m²·K = 152.8637 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 853 W/m²·K | 150.2221 |
| 858 W/m²·K | 151.1026 |
| 863 W/m²·K | 151.9832 |
| 868 | 152.8637 |
| 873 W/m²·K | 153.7443 |
| 878 W/m²·K | 154.6248 |
| 883 W/m²·K | 155.5054 |
868 W/m²·K = 152.8637 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)