Construction and Home Calculators
Estimate materials for your next project, with room for waste and real-world variation.
Construction & Home tools
Concrete Calculator
Estimate concrete volume, weight, bags and cost for slabs, columns, tubes, curbs and stairs.
Construction & HomePaint Calculator
Estimate paint quantity from wall area, openings, coats, and coverage.
Construction & HomeFlooring Calculator
Estimate flooring area, packs to buy, and total material cost.
Construction & HomeTile Calculator
Estimate tiles, boxes and cost from dimensions or area, including a gap or overlap and waste allowance.
Construction & HomeRecommended calculators
Estimate quantities before checking supplier specifications
Concrete estimates slabs, cylinders, tubes, curbs, and stairs. Paint uses room dimensions or surface area, product coverage, and coats. Flooring supports several area shapes and rounds up to full packs. Tile accounts for spacing, waste, and boxes. Check the explicit unit on every dimension and coverage field.
How should I choose a waste allowance?
Use project and supplier guidance for cuts, breakage, substrate conditions, and layout. A percentage allowance increases the calculated quantity; it is not a guarantee that the order will be sufficient. Check site dimensions before buying materials.