Rebar Calculator Rebar Calculator Units Metric (m, kg) Imperial (ft, lb) Structural Type Beam Column Slab Number of bars Bar diameter (mm) 8 10 12 16 20 Bar spacing (mm) Structural length/height (m) Structural width/thickness (m) — for slab or beam Concrete cover (m) Rebar unit cost ($/kg) Calculate Reset Export CSV Print / PDF Results Total bar length Total rebar weight Estimated cost
