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Browse our collection of structural engineering calculators

Unit Converters

Length Converter

Convert between meters, feet, inches, etc.

Force Converter

Convert between kips, kN, lbs, etc.

Pressure Converter

Convert between MPa, ksi, psi, etc.

Steel Connection Calculators

Bolt Shear Capacity

Calculate bolt shear strength per AISC

Bolt Bearing

Calculate bolt bearing on connected material

Weld Strength

Calculate filler metal weld strength

Plate Bending

Calculate plate bending capacity

Cross-Section Properties

Moment of Inertia

Calculate I, S, r for rectangular sections

Rectangle Properties

Area, centroid, moment of inertia

Beam Analysis

Simply Supported Beam

Point load and uniform load analysis

Cantilever Beam

Cantilever beam analysis

More Tools

Column Buckling

Calculate critical buckling load

SteelCalc

Free online structural engineering calculators for steel connections, beams, and cross-section properties.

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Calculations are for educational purposes. Verify results for actual engineering work.