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HomeConstructionDuct Sizing Calculator

Construction

DuctSizingCalculator

Duct Sizing Calculator — Duct dimensions derived from CFM, velocity target. Sizing HVAC ducts..

Duct Sizing Calculator

CFM

CFM is required

velocity target

velocity target is required

Enter the values above to see your result.

Duct Sizing Calculator — Duct dimensions derived from CFM, velocity target. Sizing HVAC ducts..

Formula

ductDimensions = cfm × velocityTarget

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