HVAC Duct Calculator — FabCalc Pro

Drag up for inputs

Fitting Type

Unit System Internal: mm

Dimensions

Material

Sheet Grade

▸ All results include 10–12% material wastage

▸ Flanges excluded from area calculations

▸ Rotate: Left drag · Pan: Right drag · Zoom: Scroll

Straight Duct

Dimensions

—

Enter dimensions to render fitting

Area

—

Sheet

—

Weight

—