Pile Cap Design Calculator

Design pile caps for deep foundation systems on soft soils

ACI 318-19DPT 1008-61Punching & Beam ShearTransparent Steps

Note: This tool calculates per ACI/DPT standards but does not replace review by the design engineer.

Select pile layout pattern and spacing. Typical spacing is 2.5D to 3D center-to-center.

Number of Piles

Pile Diameter (mm)

Pile Capacity (kN)

Pile Spacing c/c (mm)

Spacing ratio: 3.0D (optimal)

Use factored values (e.g. 1.2D+1.6L) in kN / kN·m; verify with column design output

Axial load (kN)

Moment X (kN·m)

Moment Y (kN·m)

Column Width (mm)

Column Depth (mm)

Concrete

Steel

Fill in the form on the left and click Calculate to see results