400 W/m²·K = 70.4441 BTU/hr·ft²·°F
| W/m²·K | BTU/hr·ft²·°F |
|---|---|
| 385 W/m²·K | 67.8025 |
| 390 W/m²·K | 68.683 |
| 395 W/m²·K | 69.5636 |
| 400 | 70.4441 |
| 405 W/m²·K | 71.3247 |
| 410 W/m²·K | 72.2052 |
| 415 W/m²·K | 73.0858 |
400 W/m²·K = 70.4441 BTU/hr·ft²·°F
1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)