How to Convert Heat Transfer Coefficient (U-Value)
Simple workflow instructions:
STEP 01
Enter U-Value
Enter U-value heat loss figure into input box.
STEP 02
Select Unit
Pick W/(m²·K), BTU/(h·ft²·°F), or kcal/(h·m²·°C).
STEP 03
Instant Matrix
Read generated thermal transmittance and equivalent R-value insulation score.
STEP 04
Copy Figures
Copy converted figures for window insulation ratings, HVAC load sizing, or building code compliance.
?
Frequently Asked Questions
?How to convert U-value to R-value?
R-value is the exact inverse of U-value (R = 1 / U). In US Imperial units, R = 1 / (BTU/(h·ft²·°F)).