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This allows you to determine how many pavers to buy, as well as how much of the other supplies you will need. You need to have a clear idea of what you want your patio to look like so you can ensure you buy enough materials. Measure the length and width of the area you want to cover.  Multiply the length times the width. This will give you the square footage of your future patio.  If the shape of your patio is not square but you will use square pavers, you will need to estimate the square footage.  Another option is to use pavers that are designed to be laid in round shapes.  These type of pavers will require you to take different types of measurements to determine the amount of pavers needed. If you are building stairs on your patio, you may need to subtract the square footage of the bottom stair and purchase some retaining blocks. Pavers come in a multitude of shapes, sizes, colors, and prices, so you have decisions to make. When determining which pavers to use, compare how much it will cost you to cover the whole patio area.  Some pavers are sold by the square foot and some are sold as individual blocks. Small pavers may be cheaper individually but they could end up costing you more in the end to cover your square footage. They are also much more labor-intensive, which can cost you in terms of time and effort.  To figure out how many pavers you will need, multiply the square footage of your patio by the stones per square foot of the pavers you are considering (a number that should be on price labels or listed on product specs), this will give you the number of stones needed.  For example, if you are making a 100 square foot patio and the pavers you are using are listed as 4 square feet per piece, multiply 100 by 4 and the total number of pieces you will need is 400. Once you have that number, you can  figure out how much specific pavers will cost you overall by multiplying the number of pavers needed by the price per paver. Remember, pavers can be arranged in a multitude of different patterns; a sales...