Cross-sectional area to the number of bar converter | Detailing of rebars

This Calculator calculates the area of rebar you provided and helps you to decide the numbers of rebar rand size of rebar we should provide in structural members like a beam, column slab etc.

Formula used in this calculator

• Area = (π.d²/4) , Where d is the diameter of rebar.

Input Detail of Steel

Area of Rebar Required (mm²)

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Assume,

Diameter of rebar (A) 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 40 mm

No. of Rebar
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Diameter of rebar (B) 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 40 mm

No. of Rebar


Total Area of Rebar (mm²)

More/Less Rebar

Status