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Steel / Rebar Calculator

Estimate the reinforcement steel for slabs, footings, beams and columns from the concrete volume using typical steel-per-cubic-meter rates.

Enter your details

kg/m³
Leave 0 to use the element value above. Use your drawing's figure if you have it.
ft
%
Allowance for spillage, cutting and breakage.

Pakistan Lands Tools | Steel / Rebar Calculator

Estimate generated 17 Oct 2026 | https://property.candletrack.pro/public/buildcraft/tool/steel-rebar-calculator

Results

Enter your values and press Calculate. Results will appear here and update as you change inputs.

    Reinforcement design must be done by a qualified structural engineer. This tool gives a budgeting estimate only.

    How this calculator works

    • Steel weight = concrete volume × typical kg per m³ for the element.
    • Bar weight per metre = d² ÷ 162 (d in mm).

    Frequently asked questions

    Often 1.5 to 2.5 kg per square foot for residential slabs, but it depends on span and design.

    Rate-based estimates are averages. A bar bending schedule gives exact lengths, laps and hooks.

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