Concrete Footing Calculator Advanced Concrete Footing Calculator Pad & Strip footing estimator • Concrete, excavation, rebar, cost, checks Units Metric (m, kN, m³, kg) Imperial (ft, kips, ft³, lb) Footing Type Pad (Isolated) Footing Strip Footing Concrete Grade (e.g. C25) Column Axial Load kN Eccentricity (from center) — optional Footing Length (L) Footing Width (B) — for strip, B is width across loading Thickness / Depth (D) Soil allowable bearing capacity kN/m² Concrete unit cost $/m³ Rebar unit cost (per kg) Cover to reinforcement Preferred main bar diameter (mm) 8 10 12 16 20 Calculate Reset Export CSV Print / Save PDF Results Summary of computed values and checks Created: Disclaimer: Estimation only — consult a structural engineer for design. Gross footing area (A) Concrete volume (V) Excavation volume (approx.) Bearing pressure (q = P/A) Allowable soil bearing Bearing safety Estimated rebar weight Estimated rebar count (bars) Estimated total cost Footing Preview