Concrete and masonry calculators
Concrete, slabs, footings, block, brick and mortar. Every calculator on this page returns a purchase ready quantity with the waste allowance shown and the working visible.
Concrete Calculator
Work out how much concrete you need for a slab, footing, column or steps. Cubic yards, exact bag count and the ready mix order.
Open calculator →Concrete Slab Calculator
Calculate concrete for a slab, plus the gravel sub base, the rebar or mesh, and the control joint spacing your slab thickness.
Open calculator →Concrete Block Calculator
Work out how many concrete blocks a wall needs, plus the mortar bags, the grout for filled cells and the rebar spacing.
Open calculator →Brick Calculator
Calculate how many bricks a wall needs by brick size and wythe count, plus the mortar bags and sand, with a waste allowance.
Open calculator →