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All material calculators
Eight specialized calculators to estimate construction and gardening materials. Choose the one you need: each works in metric or American units, includes a configurable waste margin, and explains its formula with a practical example.
Construction
Paint
Liters or gallons and cans of paint based on wall area, number of coats, and product coverage. Subtracts doors and windows.
Open →Concrete
Concrete bags and volume for slabs, footings, and cylindrical columns, with adjustable yield per bag.
Open →Gravel
Volume, weight, and tons of gravel for paths, driveways, bases, and drainage, with optional density and cost.
Open →Sand
Amount and weight of sand for mortars, bases, and fills, with adjustable density and estimated cost.
Open →Tile
Pieces and boxes of tile or ceramic for floors and walls, with waste for cuts.
Open →Flooring
Boxes of laminate, vinyl, or wood flooring based on room area and coverage per box.
Open →Garden
Soil / Substrate
Liters and bags of soil or substrate for rectangular garden beds and round pots.
Open →Mulch
Bags of mulch or ground cover based on the area to cover and the layer depth.
Open →How to choose the right calculator?
Each tool is designed for a specific type of material and a distinct way of buying it. If you are painting, the paint calculator starts from the wall area and gives you cans. If you are pouring a slab or a sidewalk, the concrete calculator converts the volume into bags. For granular fills and bases, gravel and sand give you volume and weight in tons, useful when buying in bulk.
In the garden, the soil and substrate calculator estimates liters and bags to fill beds or pots, while the mulch calculator works out how many bags you need to cover a surface with the recommended layer. For coverings, tile gives you pieces and boxes, and flooring calculates boxes of laminate or vinyl based on the coverage of each box.
They all share the same logic: they measure an area or a volume, apply a waste margin, and round up the units that are bought whole. You can read the detailed criteria on our methodology page.