Percentage(%) of Rebar Calculator Percentage(%) of Rebar Calculator Cross sectional Dimension of Column/Beam/Slab Length : mm inch Width : Rebar Provided i) Diameter of Rebar (Type-A): 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 40 mm No. of Rebar: ii) Diameter of Rebar (Type-B): 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 40 mm No. of Rebar: