Welcome to the Engineer's Calculator

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Serving quick solutions to engineering problems. Select a calculator below to get started.

Beam Calculator

Bending stress formula for cantilevered beams and simply supported beams. Shear force diagrams, bending moment diagrams, slope and defelection diagrams.

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Beam Designer

Steel and wood beam design using AISC and NDS design codes.

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Shear and Moment Diagram

Shear and Moment Diagrams for beams with complex boundary conditions.

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Cross-section Calculator

Cross section calculations for common structural engineering shapes.

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Mohr's Circle Calculator

Interactive Mohr's circle for 2-D stress analysis.

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Engineer's Calculator is a free online calculator to help you solve beam bending forces, cross section properties and stress states using Mohr's Circle.

Need more power?

If you're looking to design a steel or wood beam per AISC steel design or NDS wood code, Or if you need to calculate shear force diagrams and bending moment diagrams for beams with complex boundary conditions check out our Free Online Beam Design Tool and our Free Shear and Moment Diagram Tool.