Tools
Free engineering tools
Practical tools for civil engineering students and site engineers. More are on the way.
Engineering calculatorScientific calculator, civil unit converter and quick formulas.Earthwork cross-sectionsDraw embankment and cutting sections from levels; areas, volumes, mass haul and DXF.Concrete mix designStep by step IS 10262:2019 mix design with field corrections.Nominal mix calculatorCement bags, sand and aggregate for M5 to M25 nominal mixes.Soil three-phase diagramAny three of e, n, w, S, G, γ known: get all the rest with formulas and a live phase diagram.SFD and BMD solverShear force, bending moment and deflection for any beam, from beginner cases to continuous beams.Mohr’s theorems explainedInteractive moment-area theorems: drag A and B, see slope change, deviation and the M/EI area.Mohr’s circle for stressesPrincipal stresses, planes and max shear with a draggable circle and rotating element.Open channel flowGuided Manning flow, critical depth, specific energy, weirs, notches and current meter discharge.Pipe flow and lossesGuided Reynolds number, Moody chart, Darcy–Weisbach and fitting losses with EGL and HGL.River design dischargeGuided 50-year flood by RBF-16, CWC subzone unit hydrograph, Dicken’s, Ryve’s, Inglis and area–velocity at HFL, then adopt the design discharge.Road curvesGuided circular curve setting out, superelevation and transition (IRC), and summit and valley curves with levels.Scour depthGuided Lacey scour depth, maximum scour level and foundation level as per IRC 78 and the IRS code.Slab designGuided one-way and two-way RCC slab design to IS 456 with Annex D coefficients and bar layout.Retaining wallGuided cantilever retaining wall: earth pressure, stability, base pressure and stem, heel, toe steel to IS 456.Pile foundationGuided pile capacity by the IS 2911 static formula, group efficiency and structural check.
PDF to AutoCADConvert vector PDF drawings into DXF files.Coming soon
Virtual labs3D lab experiments for soil, concrete, fluids and surveying.Coming soon