68.5 W/m²·K = 12.0636 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 53.5 W/m²·K | 9.4219 |
| 58.5 W/m²·K | 10.3025 |
| 63.5 W/m²·K | 11.183 |
| 68.5 | 12.0636 |
| 73.5 W/m²·K | 12.9441 |
| 78.5 W/m²·K | 13.8247 |
| 83.5 W/m²·K | 14.7052 |
68.5 W/m²·K = 12.0636 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)