258.5 W/m²·K = 45.5245 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 243.5 W/m²·K | 42.8829 |
| 248.5 W/m²·K | 43.7634 |
| 253.5 W/m²·K | 44.644 |
| 258.5 | 45.5245 |
| 263.5 W/m²·K | 46.4051 |
| 268.5 W/m²·K | 47.2856 |
| 273.5 W/m²·K | 48.1662 |
258.5 W/m²·K = 45.5245 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)