2.5 W/m²·K to BTU/hr·ft²·°F

2.5 W/m²·K = 0.4403 BTU/hr·ft²·°F

W/m²·KBTU/hr·ft²·°F
1 W/m²·K0.1761
1.5 W/m²·K0.2642
2 W/m²·K0.3522
2.50.4403
3 W/m²·K0.5283
3.5 W/m²·K0.6164
4 W/m²·K0.7044

2.5 W/m²·K = 0.4403 BTU/hr·ft²·°F

Formula

1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K)