Steel Quantity Calculator
Work out reinforcement steel. Either add up the actual bars from the engineer’s drawing (diameter × length × number), or get a rough estimate from the concrete volume for early budgeting.
Unit weight: 0.889 kg per metre (d squared / 162).
About 2.1 quintal. Steel is ordered by weight.
Add each bar size in turn (mix diameters as your bar bending schedule shows), then sum the weights and allow for laps, hooks and wastage.
Indicative only. The actual reinforcement — bar sizes, spacing, laps, cover and total weight — is set by a licensed structural engineer’s design and bar bending schedule to IS 456, not by a volume rule of thumb. Use this to cross-check or budget, never to build to.
Related Guides — Deep-dive reading
Compound Wall Repair and Maintenance in India: Cracks, Rust and Structural Fixes (2026)
A plain, India-grounded guide to keeping an existing boundary wall safe and good-looking — a routine, periodic and annual maintenance calendar, how to tell a harmless shrinkage crack from a dangerous structural one, how to treat rust on gates, railings and reinforcement, and exactly when a leaning or badly-cracked wall stops being a homeowner job and becomes an engineer's emergency.
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The steel inside the concrete — how to read bar diameters and spacing, the bar bending schedule, main bars and stirrups, cover, laps and the symbols that look like a foreign language until they don't.
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