Question 1

What is 640 BTU/hr·ft²·°F in W/m²·K?

Accepted Answer

640 BTU/hr·ft²·°F = 3,634.086 W/m²·K. Use the converter on this page to convert to other heat transfer coefficient units instantly.

Question 2

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

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 BTU/hr·ft²·°F value by the appropriate factor to get W/m²·K, or use the interactive converter above.

Question 3

What is 3,634.086 W/m²·K in BTU/hr·ft²·°F?

Accepted Answer

3,634.086 W/m²·K = 639.9999 BTU/hr·ft²·°F.

BTU/hr·ft²·°F	W/m²·K
625 BTU/hr·ft²·°F	3,548.912
630 BTU/hr·ft²·°F	3,577.304
635 BTU/hr·ft²·°F	3,605.695
640	3,634.086
645 BTU/hr·ft²·°F	3,662.478
650 BTU/hr·ft²·°F	3,690.869
655 BTU/hr·ft²·°F	3,719.26

640 BTU/hr·ft²·°F to W/m²·K

Formula