Concrete Slab & Footing

Volume, ready-mix or bags, rebar, and waste — for slabs, footings, or walls.

Inputs

Length (ft)

Width (ft)

Thickness (in)

Waste % (%)

Ready-mix price / cy ($)

Rebar grid spacing (in)

Assumptions: 1 cy = 27 ft³. Bag count assumes 60 bags of 60 lb mix per cubic yard. Rebar count is a perimeter + grid estimate; adjust for hooks, laps and chairs.

Live estimate

Volume133.3 ft³ (4.94 cy)

Volume with waste5.43 cy

Ready-mix cost$978

Or 60 lb bags (DIY)326 bags

Rebar (grid)640 linear ft

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