TheCivilStudies Tools
IS-code tools for site engineers and civil students
Every result shows the clause and the working, so you can check it and defend it on site.
Continue where you left off
All tools
Free to try · Pro for unlimited use and Excel exportBBS Generator
Bar bending schedule with cutting lengths, bend deductions, stirrups and dia-wise steel weight.
Open tool →Lap & Development Length
Lap length and development length for any bar, steel and concrete grade per IS 456 cl. 26.2.
Open tool →IS 456 Quick Tables
Exposure, cover, min cement and w/c (Table 5 & 16), slump, target strength, bar weights and an IS code finder.
Open tool →Cube Test Register
Concrete cube strength, 15% validity check and acceptance criteria per IS 456 Table 11.
Open tool →More free calculators
Free, no account neededConcrete Mix Design
IS 10262:2019 mix proportions with IS 456 durability limits, field moisture corrections and every step shown.
Open tool →Beam Analysis
Reactions, shear force, bending moment and deflection for simply supported, cantilever, fixed and propped beams.
Open tool →Retaining Wall Design
Cantilever wall stability per IS 456: overturning, sliding, bearing pressure, shear key and stem steel.
Open tool →Steel Weight Calculator
TMT bar weight in kg and tonnes by diameter, length and number, with wastage, cost and plate weight.
Open tool →Plaster Calculator
Cement bags and sand for wall and ceiling plaster at any thickness and mix ratio.
Open tool →AutoCAD Layer LISP Generator
Builds an AutoCAD LISP that creates your layers with colours, linetypes and lineweights.
Open tool →Coming soon
Tap “Notify me” and we will email you on launch daySlab Design (IS 456)
One-way and two-way slabs per Annex D, with moments, steel and a BBS hand-off.
BOQ & Quantity Estimator
Concrete, steel, brickwork and plaster quantities with your own rates.
Beam Design Check
Singly and doubly reinforced beams: flexure, shear and deflection checks.