Paving stone calculator

Answers the question: How many paving stones do I need?

If you have an outdoor area you want to cover with paving stone, then this calculator is for you. This paving stone calculator works with any paving stone size and will calculate both the number of paving stones you need for your project and the total project cost.


Area to cover with paving stones: 32 square meters
Number of paving stones needed: 1089
Total cost of paving stones: $ 2,723

When laying paving stones outdoors, there will always be some misalignment and other things that make it a good idea to buy some extra paving stones. We recommend buying 5 to 10 percent more paving stones than calculated.

Our calculations

At Calculatorian, we are keen to share our knowledge, be transparent and open to feedback. Here are the calculations used to create this calculator. If you find an error or deficiency, contact us and we'll fix it in an instant!

Area to cover with paving stones was calculated like this:

Number of paving stones needed was calculated like this:

Step 1

First we need to calculate the variable sa. sa =

Step 2

Finally we put it together and calculate it like this:

Total cost of paving stones was calculated like this:

Variables used in this formula

l = Length of area in meters
w = Width of area in meters
sl = Paving stone length in centimeters
sw = Paving stone width in centimeters
sp = Price per paving stone