Mortar calculator for laying bricks or blocks Step 1:Brick or block style Please select the type of bricks or blocks you are using. House bricks230 x 110 x 76mm OR Masonry blocks390 x 190 x 190mm CancelNext Note: The standard thickness of a mortar joint is 10mm. Mortar calculator for laying bricks or blocks Step 2:Dimensions of wall Please enter the dimensions of the wall. Height m Length m Back CancelNext Mortar calculator for laying bricks or blocks Step 3:Calculation To complete this project you will need the following quantities: 0.000 bricks or blocks 0 20kg bags We've assumed: There is a 10% allowance for wastage of both bricks/blocks and mortar included in this calculation. The bag requirement has been rounded up to the nearest whole bag. Recommended products Click on the product images for more infomation. BackNew Calculation