Concrete Calculator

Enter Your Slab Size to Calculate Concrete

Optional: bag size, quantity, waste & cost

Yields are typical; check the bag label.

Quantity is the number of identical areas. Waste is your own allowance; blank means 0%.

Cost uses the total including waste. Per bag cost uses whole bags.

Enter your dimensions, then press Calculate.

Calculate a Rectangle Area

3D view
LWD
  • LLength—
  • WWidth—
  • DThickness / height—

Area = length × width · Volume = area × depth

Concrete Calculator by CY Calculator