Gardiners’ Cobble and Granite Stone calculator Tool

Our cobble and granite calculator tool helps you to estimate what you need to make a perfect garden. Choose from our range of cobbles and stones, with various colours. Order the sand and cement required at the same time to get the total price. Simply enter the dimensions of the area you wish to cover, select your cobble or granite stone, add your sand and cement and get an estimate for the materials required. If you need any help, do not hesitate to get in touch.

Select Cobbles and Granite Area

Please enter your project area below. If your project is not rectangular, then please either:

  • Contact us for additional help at 01782 334 532.
  • Use an estimated area for the calculation.


Please note that the inputs below are in meters, but can take up to 2 decimal places for more precise measurements.