# SteelCalculator.app -- Free Online Steel Design Tools

> Steel Calculator provides free online structural steel design calculators per AISC 360-22, AS 4100:2020, EN 1993-1-1:2022, and CSA S16:24. This file is intended for LLM agents and AI crawlers to index our content.

## Primary Applications

- [Designer Hub](https://steelcalculator.app/designer-hub/) -- Multi-stage structural steel design workflow
- [All Calculators Directory](https://steelcalculator.app/tools/) -- Complete calculator directory with search and filtering
- [Sections Database](https://steelcalculator.app/sections/) -- Searchable steel section properties across US, AU, EU, CA, UK catalogs (1,660+ shapes)
- [Section Properties](https://steelcalculator.app/section-properties/) -- Detailed section properties lookup tool

## Beam Calculators

- [Beam Calculator](https://steelcalculator.app/tools/beam-calculator/) -- Reactions, shear force, bending moment & deflection diagrams for simply supported beams
- [Beam Capacity Calculator](https://steelcalculator.app/tools/beam-capacity/) -- Moment, shear, and LTB checks per AISC 360, AS 4100, EN 1993, CSA S16
- [Beam Deflection Calculator](https://steelcalculator.app/tools/beam-deflection/) -- Deflection, slope, and elastic curve for any beam configuration
- [Beam Span Calculator](https://steelcalculator.app/tools/beam-span/) -- Maximum span tables for steel beams under given load and deflection limits
- [Continuous Beam Calculator](https://steelcalculator.app/tools/continuous-beam/) -- Multi-span continuous beam analysis with moment redistribution
- [Beam Optimizer](https://steelcalculator.app/tools/beam-optimizer/) -- Lightest-section selector across all catalogs for given loading
- [Crane Runway Beam](https://steelcalculator.app/tools/crane-runway-beam/) -- Crane beam design with dynamic factors per EN 1993-6
- [Steel Composite Beam](https://steelcalculator.app/tools/steel-composite-beam/) -- Composite steel-concrete beam design with shear studs
- [Torsion Analysis](https://steelcalculator.app/tools/torsion-analysis/) -- St. Venant and warping torsion for open sections

## Column Calculators

- [Column Capacity Calculator](https://steelcalculator.app/tools/column-capacity/) -- Axial compression capacity including flexural buckling per all four international codes
- [Steel Column Calculator](https://steelcalculator.app/tools/steel-column-calculator/) -- Interactive column design with buckling curves and effective length
- [Column Base Design](https://steelcalculator.app/tools/steel-column-base-design/) -- Pinned and fixed column base design per AISC Design Guide 1
- [Tension Member Design](https://steelcalculator.app/tools/tension-member-design/) -- Gross yield, net rupture, and block shear for tension members

## Connection Design

- [Bolted Connections Calculator](https://steelcalculator.app/tools/bolted-connections/) -- Bolt group capacity: shear, bearing, tension per AISC 360 and EN 1993-1-8
- [Welded Connections Calculator](https://steelcalculator.app/tools/welded-connections/) -- Fillet and butt weld capacity per AISC 360 and EN 1993-1-8
- [HSS Connections Calculator](https://steelcalculator.app/tools/hss-connections/) -- Welded hollow section joints: CHS and RHS K, T, Y, and X connections
- [End Plate Connection](https://steelcalculator.app/tools/end-plate/) -- Moment-resisting extended end plate design per EN 1993-1-8 component method
- [Gusset Plate Calculator](https://steelcalculator.app/tools/gusset-plate/) -- Whitmore section, block shear, and buckling checks for brace connections
- [Splice Connection Calculator](https://steelcalculator.app/tools/splice-connection/) -- Column and beam splice design with bolt and weld checks
- [Bolt Torque Calculator](https://steelcalculator.app/tools/bolt-torque/) -- Torque-to-preload for structural bolts per BS EN 14399 and RCSC
- [Weld Symbol Guide](https://steelcalculator.app/tools/weld-symbol/) -- AWS A2.4 weld symbol reference with interactive diagrams
- [Connection Stiffness](https://steelcalculator.app/tools/connection-stiffness/) -- Joint stiffness classification per EN 1993-1-8 component method

## Base Plate & Anchorage

- [Base Plate & Anchors Calculator](https://steelcalculator.app/tools/baseplate-anchors/) -- Column base plate design with anchor bolt concrete breakout per ACI 318
- [Anchor Embedment Design](https://steelcalculator.app/tools/anchor-embedment/) -- ACI 318 Chapter 17: concrete breakout, pullout, side-face blowout
- [Steel Anchor Bolts](https://steelcalculator.app/tools/steel-anchor-bolts/) -- Anchor bolt capacity: tension, shear, and combined loading

## Load Generation

- [Load Combination Calculator](https://steelcalculator.app/tools/load-combinations/) -- ASCE 7-22 strength and service load combinations
- [Load Combination EN 1990](https://steelcalculator.app/tools/load-combinations-en1990/) -- Eurocode EQU/STR/GEO combinations with UK NA
- [Load Combination AS 4100](https://steelcalculator.app/tools/load-combinations-as4100/) -- Australian AS/NZS 1170 load combinations
- [Load Combination CSA S16](https://steelcalculator.app/tools/load-combinations-csa-s16/) -- Canadian NBC load combinations for steel design
- [Snow Load Calculator](https://steelcalculator.app/tools/snow-load/) -- Ground-to-roof snow load per ASCE 7 and EN 1991-1-3
- [Seismic Load Calculator](https://steelcalculator.app/tools/seismic-load/) -- Equivalent lateral force procedure per ASCE 7
- [Wind Load Calculator](https://steelcalculator.app/tools/wind-load/) -- Wind pressure per ASCE 7-22 and EN 1991-1-4

## Structural Analysis

- [Portal Frame Calculator](https://steelcalculator.app/tools/portal-frame/) -- Single-span portal frame analysis with haunches and base fixity
- [Truss Analysis Calculator](https://steelcalculator.app/tools/truss-analysis/) -- 2D truss solver with member forces and reactions
- [Steel Frame Analysis](https://steelcalculator.app/tools/steel-frame-analysis/) -- 2D steel frame elastic analysis with moment connections
- [Mohr's Circle Calculator](https://steelcalculator.app/tools/mohr-circle/) -- Principal stresses and maximum shear for 2D stress states
- [Cable Sag Calculator](https://steelcalculator.app/tools/cable-sag/) -- Catenary cable tension, sag, and length under uniform load
- [Steel Truss Design](https://steelcalculator.app/tools/steel-truss-design/) -- Full truss design with member sizing and connection checks

## Section Properties & Weight

- [Moment of Inertia Calculator](https://steelcalculator.app/tools/moment-of-inertia/) -- I, S, Z, r for custom built-up and standard sections
- [Steel Weight Calculator](https://steelcalculator.app/tools/steel-weight/) -- Calculate weight of steel sections, plates, and bars in kg/m or lb/ft
- [Plate Weight Calculator](https://steelcalculator.app/tools/plate-weight/) -- Steel plate, sheet, and chequer plate weight
- [Custom Section Calculator](https://steelcalculator.app/tools/custom-section/) -- Define and analyze arbitrary cross-sections

## Concrete & Foundation

- [Retaining Wall Calculator](https://steelcalculator.app/tools/retaining-wall/) -- Cantilever and gravity retaining wall design with soil pressure diagrams
- [Pile Design Calculator](https://steelcalculator.app/tools/pile-design/) -- Axial pile capacity in cohesive and cohesionless soils
- [Pile Capacity](https://steelcalculator.app/tools/pile-capacity/) -- Single pile geotechnical and structural capacity
- [Concrete Footing](https://steelcalculator.app/tools/concrete-footing/) -- Spread footing sizing and reinforcement design
- [Punching Shear Calculator](https://steelcalculator.app/tools/punching-shear/) -- Two-way shear in flat slabs and footings per ACI 318
- [Combined Footing](https://steelcalculator.app/tools/combined-footing/) -- Rectangular and trapezoidal combined footings
- [Shear Wall Calculator](https://steelcalculator.app/tools/shear-wall/) -- Reinforced concrete shear wall design per ACI 318
- [Two-Way Slab](https://steelcalculator.app/tools/two-way-slab/) -- Two-way flat plate and flat slab design
- [Prestressed Beam](https://steelcalculator.app/tools/prestressed-beam/) -- Pre-tensioned and post-tensioned concrete beam design
- [Concrete Beam-Column](https://steelcalculator.app/tools/concrete-beam-column/) -- Biaxial bending and axial interaction for RC members

## Cold-Formed & Specialty

- [Cold-Formed Steel Calculator](https://steelcalculator.app/tools/cold-formed-steel/) -- CFS wall stud and joist design per AISI S100
- [CFS Wall Stud](https://steelcalculator.app/tools/cfs-wall-stud/) -- Cold-formed steel wall stud axial + bending design
- [Wood/Timber Design](https://steelcalculator.app/tools/wood-timber/) -- Timber beam and column design per NDS
- [Stair Design Calculator](https://steelcalculator.app/tools/stair-design/) -- Steel stair stringer design with tread/riser geometry
- [Steel Deck Design](https://steelcalculator.app/tools/steel-deck/) -- Steel floor and roof deck selection and capacity
- [Steel Plate Girder](https://steelcalculator.app/tools/steel-plate-girder/) -- Welded plate girder design with stiffener optimization

## Bracing & Lateral Systems

- [Steel Diagonal Bracing](https://steelcalculator.app/tools/steel-diagonal-bracing/) -- Tension-only and compression bracing design
- [Steel Brace Frame Design](https://steelcalculator.app/tools/steel-brace-frame-design/) -- Concentrically braced frame design per AISC 341
- [Steel Moment Frame Design](https://steelcalculator.app/tools/steel-moment-frame-design/) -- Special and intermediate moment frames per AISC 341
- [Steel Shear Wall](https://steelcalculator.app/tools/steel-shear-wall/) -- Steel plate shear wall design and capacity

## Miscellaneous Tools

- [Unit Converter](https://steelcalculator.app/tools/unit-converter/) -- Structural engineering unit conversion: force, stress, length, mass
- [Batch Calculator](https://steelcalculator.app/tools/batch-calc/) -- Batch-run multiple member designs from a spreadsheet
- [Material Takeoff](https://steelcalculator.app/tools/material-takeoff/) -- Steel tonnage estimation and quantity takeoff
- [Steel Canopy Calculator](https://steelcalculator.app/tools/steel-canopy/) -- Cantilever steel canopy design with wind uplift
- [Steel Mezzanine](https://steelcalculator.app/tools/steel-mezzanine/) -- Mezzanine floor beam and column sizing
- [Steel Floor Systems](https://steelcalculator.app/tools/steel-floor-systems/) -- Steel floor system selection and preliminary sizing
- [Steel Hanger Design](https://steelcalculator.app/tools/steel-hanger-design/) -- Tension hanger and rod design for suspended loads
- [Steel Deflection Control](https://steelcalculator.app/tools/steel-deflection-control/) -- Deflection and vibration checks for steel floors
- [Steel Grade Selection](https://steelcalculator.app/tools/steel-grade-selection/) -- Grade selection guidance per AISC, EN 1993, AS 4100
- [Steel Buckling Summary](https://steelcalculator.app/tools/steel-buckling-summary/) -- Flexural, torsional, and lateral-torsional buckling overview

## Regional Variants

### Australia (AS 4100)
- [AU Beam Capacity](https://steelcalculator.app/tools/au-beam-capacity/) -- Beam design per AS 4100:2020
- [AU Column Capacity](https://steelcalculator.app/tools/au-column-capacity/) -- Column design per AS 4100:2020
- [AU Steel Weight](https://steelcalculator.app/tools/au-steel-weight/) -- Australian section weight calculator

### Canada (CSA S16)
- [CA Beam Capacity](https://steelcalculator.app/tools/ca-beam-capacity/) -- Beam design per CSA S16:24
- [CA Column Capacity](https://steelcalculator.app/tools/ca-column-capacity/) -- Column design per CSA S16:24

### Europe (EN 1993)
- [EU Beam Capacity](https://steelcalculator.app/tools/eu-beam-capacity/) -- Beam design per EN 1993-1-1
- [EU Column Capacity](https://steelcalculator.app/tools/eu-column-capacity/) -- Column design per EN 1993-1-1

### UK (EN 1993 + UK NA)
- [UK Beam Capacity](https://steelcalculator.app/tools/uk-beam-capacity/) -- Beam design per EN 1993-1-1 + UK NA
- [UK Column Capacity](https://steelcalculator.app/tools/uk-column-capacity/) -- Column design per EN 1993-1-1 + UK NA
- [UK Steel Weight](https://steelcalculator.app/tools/uk-steel-weight/) -- UK section weight calculator

### US (AISC 360)
- [AISC Bolt Group Calculator](https://steelcalculator.app/tools/aisc-bolt-group-calculator/) -- Bolt group analysis per AISC 360 elastic method

## Reference Pages

- [Steel Grades Reference](https://steelcalculator.app/reference/steel-grades/) -- Complete grade properties: A992, A572, S355, 300PLUS
- [Beam Sizes Reference](https://steelcalculator.app/reference/beam-sizes/) -- Dimensional properties for W, UB, UKB, and W shapes
- [Fire Rating Reference](https://steelcalculator.app/reference/fire-rating/) -- Limiting temperature method per EN 1993-1-2
- [Anchor Embedment Design](https://steelcalculator.app/reference/anchor-embedment/) -- ACI 318 Chapter 17 design guide
- [Section Properties Database](https://steelcalculator.app/sections/) -- 1,660+ AISC steel shapes database

## UK Steel References

- [UK Steel Fire Design](https://steelcalculator.app/reference/uk-steel-fire-design/) -- BS EN 1993-1-2 limiting temperature, Am/V, intumescent coating
- [UK Steel Grade Equivalents](https://steelcalculator.app/reference/uk-steel-grade-equivalents/) -- EN 10025 vs BS 4360 legacy grades
- [UK Cold-Formed Purlin Design](https://steelcalculator.app/reference/uk-cold-formed-purlin/) -- Z and C purlin sizing per BS EN 1993-1-3
- [UK Warehouse Design](https://steelcalculator.app/reference/uk-warehouse-design/) -- Portal frame warehouse to BS EN 1993
- [UK Shear Tab Design](https://steelcalculator.app/reference/uk-shear-tab-design/) -- Fin plate connections per SCI P358
- [UK Fatigue Assessment](https://steelcalculator.app/reference/uk-fatigue-assessment/) -- EN 1993-1-9 detail categories and S-N curves
- [UK Steel Framing Cost](https://steelcalculator.app/reference/uk-steel-framing-cost/) -- Indicative GBP/tonne and GBP/m2 rates
- [UK Bolt Torque & Preload](https://steelcalculator.app/reference/uk-bolt-torque-en14399/) -- BS EN 14399 preload tables and PIVT
- [UK Crane Runway Beam](https://steelcalculator.app/reference/uk-crane-runway-beam/) -- Crane-supporting structures per EN 1993-6
- [UK Truss Design Guide](https://steelcalculator.app/reference/uk-truss-design-guide/) -- Welded CHS/RHS joints per EN 1993-1-8
- [UK Moment Connection Example](https://steelcalculator.app/reference/uk-moment-connection-example/) -- Extended end plate per component method
- [UK Portal Frame Case Study](https://steelcalculator.app/reference/uk-case-study-portal-frame/) -- 30m span warehouse full design walkthrough

## Guides & Worked Examples

- [Beam Capacity Worked Example](https://steelcalculator.app/guides/beam-capacity-worked-example/) -- Step-by-step AISC beam design
- [Column Capacity Worked Example](https://steelcalculator.app/guides/column-capacity-worked-example/) -- AISC column design with K-factor selection
- [Bolted Connection Worked Example](https://steelcalculator.app/guides/bolted-connection-worked-example/) -- Complete bolt group design per AISC 360
- [Base Plate Worked Example](https://steelcalculator.app/guides/base-plate-worked-example/) -- Column base plate per AISC Design Guide 1
- [Portal Frame Worked Example](https://steelcalculator.app/guides/portal-frame-worked-example/) -- Full portal frame design walkthrough
- [Wind Load Worked Example](https://steelcalculator.app/guides/wind-load-worked-example/) -- ASCE 7 directional procedure
- [Seismic Load Worked Example](https://steelcalculator.app/guides/seismic-load-worked-example/) -- ELF procedure step-by-step
- [Snow Load Worked Example](https://steelcalculator.app/guides/snow-load-worked-example/) -- ASCE 7 balanced and drift loads
- [Bolt Torque Worked Example](https://steelcalculator.app/guides/bolt-torque-worked-example/) -- RCSC torque-to-preload calculation
- [Combined Loading Worked Example](https://steelcalculator.app/guides/combined-loading-worked-example/) -- Beam-column interaction per AISC 360
- [Deflection Limits Explained](https://steelcalculator.app/guides/deflection-limits-explained/) -- Span-to-deflection ratios and serviceability

## Engineering Glossary

- [Lateral Torsional Buckling](https://steelcalculator.app/glossary/lateral-torsional-buckling/) -- LTB definition, formulas, and prevention per AISC 360
- [Buckling](https://steelcalculator.app/glossary/buckling/) -- Euler critical load, bifurcation, and AISC column curve
- [Moment of Inertia](https://steelcalculator.app/glossary/moment-of-inertia/) -- Second moment of area definition and calculation
- [Plastic Modulus](https://steelcalculator.app/glossary/plastic-modulus/) -- Zx definition, shape factor, and plastic vs elastic design
- [Block Shear](https://steelcalculator.app/glossary/block-shear/) -- Tension-shear interaction failure mode in bolted connections
- [Compact Section](https://steelcalculator.app/glossary/compact-section/) -- Cross-section classification for local buckling resistance
- [Effective Length Factor](https://steelcalculator.app/glossary/effective-length-factor/) -- K-factor for column buckling per AISC 360 alignment charts
- [Elastic Section Modulus](https://steelcalculator.app/glossary/elastic-section-modulus/) -- Sx = I/c definition and calculation for steel sections
- [Modulus of Elasticity](https://steelcalculator.app/glossary/modulus-of-elasticity/) -- E = 29,000 ksi for structural steel, stress-strain relationship
- [P-Delta Effect](https://steelcalculator.app/glossary/p-delta-effect/) -- Second-order effects from axial loads on laterally displaced frames
- [Plastic Hinge](https://steelcalculator.app/glossary/plastic-hinge/) -- Full plastification of a cross-section in plastic analysis and design
- [Prying Action](https://steelcalculator.app/glossary/prying-action/) -- Additional bolt tension from flange flexibility in T-stub connections
- [Radius of Gyration](https://steelcalculator.app/glossary/radius-of-gyration/) -- r = sqrt(I/A), used for slenderness and column buckling calculations
- [Second-Order Effects](https://steelcalculator.app/glossary/second-order-effects/) -- P-Delta and P-delta amplification in frame analysis
- [Serviceability Limit State](https://steelcalculator.app/glossary/serviceability-limit-state/) -- Deflection, vibration, and drift limits for occupant comfort
- [Shear Lag](https://steelcalculator.app/glossary/shear-lag/) -- Non-uniform stress distribution in tension members with partial connection
- [Slenderness Ratio](https://steelcalculator.app/glossary/slenderness-ratio/) -- KL/r — column buckling parameter per AISC 360 Chapter E
- [Tensile Strength](https://steelcalculator.app/glossary/tensile-strength/) -- Fu — ultimate stress capacity of steel before fracture
- [Ultimate Limit State](https://steelcalculator.app/glossary/ultimate-limit-state/) -- Strength, stability, and fracture limit states per AISC 360
- [Web Crippling](https://steelcalculator.app/glossary/web-crippling/) -- Localized web failure under concentrated loads on steel beams
- [Yield Strength](https://steelcalculator.app/glossary/yield-strength/) -- Fy — stress at which steel transitions from elastic to plastic behavior

## Blog Posts

- [AISC 360 Design Examples](https://steelcalculator.app/blog/aisc-360-design-examples/) -- Beam, column, and connection worked examples per AISC
- [Steel Beam Design Example](https://steelcalculator.app/blog/steel-beam-design-example/) -- LRFD flexure and shear check walkthrough
- [Steel Column Design Example](https://steelcalculator.app/blog/steel-column-design-example/) -- Column buckling and capacity verification
- [Steel Beam Span Guide](https://steelcalculator.app/blog/steel-beam-span-guide/) -- Span-to-depth ratios and section selection tables
- [Steel Beam Deflection Guide](https://steelcalculator.app/blog/steel-beam-deflection-guide/) -- Deflection limits, calculations, and serviceability
- [Moment of Inertia Calculator Guide](https://steelcalculator.app/blog/moment-of-inertia-calculator/) -- I, S, Z for all standard steel shapes
- [Steel Connection Design Guide](https://steelcalculator.app/blog/steel-connection-design-guide/) -- Bolted and welded connections per AISC 360
- [Cold-Formed Steel Design Guide](https://steelcalculator.app/blog/cold-formed-steel-design-guide/) -- AISI S100 design for CFS members
- [Base Plate Design Example](https://steelcalculator.app/blog/base-plate-design-example/) -- Column base plate per AISC Design Guide 1
- [Portal Frame Design Example](https://steelcalculator.app/blog/portal-frame-design-example/) -- Portal frame analysis and member checks

## Missing Tools

- [Fin Plate Calculator](https://steelcalculator.app/tools/fin-plate/) -- Shear tab connection design per AISC DG21
- [Masonry Wall Calculator](https://steelcalculator.app/tools/masonry/) -- Masonry wall design per TMS 402/602
- [ASCE 7-16 Load Combinations](https://steelcalculator.app/tools/load-combinations-asce-7-16/) -- LRFD and ASD load combinations
- [Steel Connection Checker](https://steelcalculator.app/tools/steel-connection-checks/) -- Connection design verification checks
- [Steel Retaining Wall](https://steelcalculator.app/tools/steel-retaining-wall/) -- Cantilever steel retaining wall analysis

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*Steel Calculator provides preliminary design tools for educational and reference use. All results must be independently verified by a licensed Professional Engineer. NOT FOR CONSTRUCTION without professional verification.*