01Surface units
Paver Calculator
Estimate rectangular paving units from project area, actual paver size, joint width, waste, and optional unit price.
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Hardscape & masonry calculators
Plan surface units, prepared layers, masonry walls, and post-hole concrete with project-specific assumptions and purchase-ready quantities.
02Prepared layers
Paver Base & Sand Calculator
Estimate compactable aggregate base and bedding sand as separate layers with compaction loss, overage, weight, and optional cost.
Open calculator03Course layout
Retaining Wall Calculator
Estimate retaining wall blocks by course plus a separate cap count using installed face dimensions, waste, and optional block price.
Open calculator04Net wall area
Concrete Block Calculator
Estimate concrete masonry units from net wall area plus an approximate mortar-bag allowance, waste, and optional block price.
Open calculator05Bagged concrete
Post Hole Concrete Calculator
Estimate concrete volume and whole bags for round post holes after subtracting rectangular post displacement and adding overage.
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Five different purchasing questions
Paver count is surface-unit layout. Base and sand are compacted and screeded volume layers. Retaining walls use courses and caps, while concrete block walls use net face area and mortar. Post holes subtract post displacement and convert concrete volume into whole bags.