Concrete Formwork Calculator

Determine form pressure, material quantities, and spacing for concrete wall formwork.

Height of the concrete wall to be formed.
ft
Total length of the wall to be formed.
ft
Thickness of the concrete wall.
in
Rate at which concrete will be placed vertically.
ft/hr
Temperature of the concrete at placement. Affects lateral pressure on forms.
F

Results

Form Pressure (max lateral)-psf
Plywood Sheets (4x8)-sheets
Stud Spacing-in o.c.
Waler Spacing-in o.c.
Tie Spacing-in o.c.
Total Form Area (both sides)-sq ft
Reference: Based on ACI 347 formwork pressure calculations. Always verify designs with a qualified engineer for your specific conditions.