ConcreteCalc

Concrete Sidewalk Calculator

Concrete sidewalk calculator: estimate cubic yards, 80 lb/60 lb bags and cost for a typical sidewalk calculator pour.

Runs locally in your browser — no upload, no tracking
ft
ft
in
%

Try: Length=40, Width=4, Thickness=4, Waste allowance=10 → 58.7 ft³, 2.17 yd³, 98 (≈97.8), 131 (≈130.4), $326

How to use

Sidewalks are typically 4 ft wide and 4 in thick. A 40 ft run is a long front-walk segment; most city specs call for 4 in minimum. The values above match a typical sidewalk calculator. Adjust them to your plan and press Calculate.

Reviewed by contractor Tom K.

FAQ

How much concrete for a sidewalk?

Use the typical dimensions above as a starting point, then adjust to your plan. The calculator turns the volume into cubic yards (÷27) and into 80 lb/60 lb bag counts using ~0.6 and ~0.45 ft³ per bag, plus a rough cost at a $150/yd³ market average.

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