Free structural engineering calculators
Fifteen free calculators for loads, steel connections and concrete design, plus a browser add-on for Hilti PROFIS. Each tool has a page with its inputs, outputs, code clauses and limitations. The arrow beside each tool opens the app in a new tab.
These calculators are aids, not a substitute for engineering judgment. Check results independently and against the governing code edition before relying on them.
Loadings
- Dead Loads
Density of typical materials
Open the Dead Loads app, opens in a new tab - Snow/Wind Station Locator
Closest design stations to GPS coords
NBCC 2020Open the Snow/Wind Station Locator app, opens in a new tab - Seismic Tank Loads
Rect. liquid containing tanks
ACI 350.3-06Open the Seismic Tank Loads app, opens in a new tab - Blast Loads
Blast load calculations
UFC-3-340-02Open the Blast Loads app, opens in a new tab - Load Combinations
Factored load combinations
NBCCOpen the Load Combinations app, opens in a new tab
Steel
- Section Properties
Structural steel sections
CSAOpen the Section Properties app, opens in a new tab - Piping Dimensions
Std pipe sizes, weights, flow areas
ASME B36.10Open the Piping Dimensions app, opens in a new tab - Weld Capacity
Weld capacity per CSA S16 Cl.13.13.2.1
CSA S16Open the Weld Capacity app, opens in a new tab - Bolt Capacity
Bolt capacity per CSA S16 Cl.13.11 and 13.12
CSA S16Open the Bolt Capacity app, opens in a new tab - Bolt Prying Action
Prying action on bolted connections
Open the Bolt Prying Action app, opens in a new tab
Concrete
- Development Length
Tension/Compression/Hooked
CSA A23.3-19Open the Development Length app, opens in a new tab - Shear Friction
Concrete shear friction capacity
Open the Shear Friction app, opens in a new tab - RC Corbel
Reinforced concrete corbel design
Open the RC Corbel app, opens in a new tab - Shear & Torsion
RC beam shear and torsion design
Open the Shear & Torsion app, opens in a new tab - One-way Slab Design
RC slab design per CSA A23.3
Proof of ConceptOpen the One-way Slab Design app, opens in a new tab
Notes on engineering automation
Occasional notes on the tools I build and how I build them.