Block Calculator

Block calculator

What is the size of your wall?
mm
mm
What are the size of your blocks?
mm
mm
Result

Please note: We have included an allowance for a 10mm mortar joint, and an allowance of 10% extra blocks to allow for breakages and cuts. The number of blocks required has been rounded up.

Important: The results of this estimator tool are for guidance only. You should always check and verify your required quantities before ordering. We recommend using a merchant, such as Jewson, Gibbs and Dandy or CTD for blocks - as they have the expertise and advice available to make sure you purchase the quantities of products you need. Saint-Gobain Ltd accepts no liability for the information provided by this estimator tool.

Self-Build Manager

  • Upload plans, documents and images
  • Manage tasks and set deadlines
  • Keep everything in one place
  • Invite your project team

Estimating and Quantity Scheduling

Need help estimating all your projects requirements? Right down to the last nail and screw? How about arranging a detailed delivery schedule that meets your projects timetable? Try a professional service like Build Aviator. They use professional Quantity Surveyors to work out everything you need and make sure it's on site on time. Even considering lead times and local availability.