Concrete Patio Volume & Cost Calculator
Rectangular Patio
Calculate concrete and cost for a rectangular patio
Circular Patio
Calculate concrete for a round patio
Formula
Volume = L x W x Thickness/12 | Cu Yd = Volume / 27 | Add 10% waste | Cost = Concrete + Labor + Rebar + Base
Frequently Asked Questions
How much does a concrete patio cost?
A basic broom-finish concrete patio costs $6-10 per square foot installed. Stamped concrete runs $12-20/sqft. Stained or colored concrete is $10-15/sqft. A typical 12x20 patio (240 sqft) costs $1,500-3,500 depending on the finish.
How thick should a concrete patio be?
Standard patios should be 4 inches thick. If you plan to park vehicles or place heavy objects on it, use 5-6 inches. Always pour over a compacted gravel base (4 inches minimum) and use reinforcement (rebar or wire mesh).
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