Common Tasks
Pour a Concrete Slab
Build a Block or Retaining Wall
All Concrete & Masonry Calculators
Concrete Slab Calculator
concrete
Estimate concrete volume in cubic meters and bag counts for slabs, footings, and pads based on length, width, and thickness.
Post-Hole Concrete Calculator
concrete
Estimate concrete volume and whole bags for round or rectangular post holes while subtracting the post displacement.
Brick & Mortar Calculator
concrete
Estimate single-wythe brick counts, mortar volume or product-coverage bags, allowances, and optional local material prices.
Concrete Block Fill Calculator
concrete
Estimate CMU core fill from a matched table or measured partial cores, with explicit cavity volume, ordering allowance, bag count, and optional local pricing.
Concrete Steps Calculator
concrete
Estimate solid level-base concrete step volume, an optional separate landing, allowance-adjusted concrete, whole bags, and an optional local bag price.
Concrete Driveway Cost Calculator
concrete
Build an editable itemized driveway estimate from specified slab/base quantities, supplier ordering, local quotes, and an exclusive all-in quote option.
Concrete Bags Calculator
concrete
Convert a concrete volume into the number of pre-mix bags you need, with options for common bag sizes and mix strengths.
Rebar Calculator
concrete
Calculate reinforcing steel bar count, total length, and weight for concrete slabs and footings based on spacing and bar size.
Block Wall Calculator
masonry
Estimate CMU blocks and mortar bags for masonry walls based on wall dimensions, block size, and joint thickness.
Mortar & Thinset Calculator
adhesives
Calculate bags of mortar or thinset adhesive needed for tiling and brickwork based on area, notch size, and coverage rate.
Retaining Wall Calculator
masonry
Calculate retaining wall blocks, cap blocks, backfill gravel, drain pipe, and filter fabric for CMU and landscape block walls.
In-Depth Guide
Learn the concepts behind these calculators with worked examples and reference tables.
Concrete & Masonry Guide →