Welcome to the Engineer's Calculator

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Serving quick solutions to structural engineering problems.

Engineer's Calculator is a free online calculator to help you solve beam bending forces, cross section properties, steel and wood beam designs, concrete spread footing capacity and anchor bolt capacities.

Steel and wood beam design checks per AISC and NDS can be found here; Free Online Beam Design Tool and our Free Shear and Moment Diagram Tool.

Beam Calculator

Closed-form solutions to cantilevered and simply supported beams.

Simple Supported Beam

Beam Span Designer

Steel and wood beam design using AISC and NDS design.

Steel and wood beam design

Shear and Moment Diagrams

Shear and Moment Diagrams for beams with complex boundary conditions.

shear and moment diagrams

Cross Section Calculator

Cross section calculations for common structural engineering shapes.

I Shape

Concrete Footing Designer

Concrete spread footing design per ACI 318-19.

Footing App

Anchor Bolt Designer

Anchor bolt design per ACI 318-19.

I Shape