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Rebar & steel

Rebar Quantity Calculator

Bar count, total length and weight for a slab, footing or beam from a spacing you specify.

This counts bars for a spacing you supply. It does not choose the spacing, the diameter, the cover or the laps — those come from the structural drawings.

Centre to centre, as noted on the drawing.

Taken off both ends of every span.

layers

Two for top and bottom steel.

Your result will appear here

Fill in the fields and press Calculate. Nothing is sent anywhere — the arithmetic runs on your device.