521 W/m²·K = 91.7535 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 506 W/m²·K | 89.1118 |
| 511 W/m²·K | 89.9924 |
| 516 W/m²·K | 90.8729 |
| 521 | 91.7535 |
| 526 W/m²·K | 92.634 |
| 531 W/m²·K | 93.5146 |
| 536 W/m²·K | 94.3951 |
521 W/m²·K = 91.7535 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)