Free Engineering Calculators

Professional-grade structural design tools, free to use. No account required. ACI 318 and DPT 1008 compliant.

Free

Quick Slab Calculator

Calculate slab thickness, reinforcement spacing, and material quantities for two-way reinforced concrete slabs.

Open Calculator →
Free

Quick Beam Calculator

Auto-size beam cross-sections, design flexural and shear reinforcement, and check deflection limits.

Open Calculator →
Free

Quick Column Calculator

Design columns with auto-sizing, slenderness evaluation, P-M interaction checks, and tie design.

Open Calculator →
Beta

FEM Plate Analysis

Advanced finite element analysis for structural plates using Kirchhoff-Love theory with multiple boundary conditions.

Open Calculator →

Coming Soon

Quick Foundation Calculator

Coming Soon

Design isolated footings with punching shear and bearing capacity checks.

Quick Retaining Wall Calculator

Coming Soon

Evaluate stability of retaining walls with Rankine/Coulomb earth pressure.

Want the full experience?

Create a free account to unlock AI recommendations, PDF reports, project saving, design history, and 11 professional calculators.

Create Free Account