open-concrete

A comprehensive suite of calculation tools based on ACI 318-11 Code. Select a module from the sidebar or use the quick access tools below.

Commonly Used Calculators
Rectangular Beam Design
Calculate flexural strength ($M_n$), required steel area ($A_s$), and check strain limits.
One-Way Slab Design
Design continuous one-way slabs. Includes temperature steel checks.
Short Column Analysis
Analyze axially loaded columns and columns with eccentric loading.
Shear & Stirrups
Determine shear capacity ($\phi V_c$) and design stirrup spacing.
Isolated Footing Design
Design square or rectangular isolated footings. Checks shear and bearing.
Eccentric Footing Solver
Automatically solve for footing dimensions to prevent uplift.