Brick and Block Calculator
Calculate bricks, blocks, sand, cement and mortar needed for your wall. Works for single leaf, double leaf and cavity walls.
How to use this calculator
1. Measure your wall
Measure the total length and height of the wall you want to build in metres.
2. Choose wall type
Select single leaf (half brick), double leaf (one brick), cavity wall, or block only.
3. Select brick and block types
Choose from common bricks, engineering bricks, facing bricks, and various block densities.
4. Account for openings
Enter the total area of any doors, windows, or other openings to deduct from the calculation.
5. Calculate materials
Click Calculate to see the exact quantities of bricks, blocks, sand, cement, and mortar needed.
6. Add to project
Save the materials to a project to compare prices from UK suppliers and find the best deals.