Question 1

What is 18.5 W/m²·K in BTU/hr·ft²·°F?

Accepted Answer

18.5 W/m²·K = 3.258 BTU/hr·ft²·°F. Use the converter on this page to convert to other heat transfer coefficient units instantly.

Question 2

How do you convert W/m²·K to BTU/hr·ft²·°F?

Accepted Answer

Formula: 1 W/(m²·K) = 0.176110 BTU/(hr·ft²·°F) · 1 BTU/(hr·ft²·°F) = 5.67826 W/(m²·K). Multiply your W/m²·K value by the appropriate factor to get BTU/hr·ft²·°F, or use the interactive converter above.

Question 3

What is 3.258 BTU/hr·ft²·°F in W/m²·K?

Accepted Answer

3.258 BTU/hr·ft²·°F = 18.5 W/m²·K.

W/m²·K	BTU/hr·ft²·°F
15.5 W/m²·K	2.7297
16.5 W/m²·K	2.9058
17.5 W/m²·K	3.0819
18.5	3.258
19.5 W/m²·K	3.4342
20.5 W/m²·K	3.6103
21.5 W/m²·K	3.7864

18.5 W/m²·K to BTU/hr·ft²·°F

Formula