Home & Construction Calculators
Estimate surfaces, material quantities, and simple geometry with explicit measurement units and planning assumptions.
Search by name or topic. 12 calculators available.
No calculators match. Try a shorter term such as loan, grade, or cooking, or clear your filters.
Available calculators in alphabetical order
Concrete
Calculate rectangular concrete volume in cubic meters, cubic feet, and cubic yards, with optional bags from your entered yield.
Deck
Estimate deck surface area and boards by their face coverage, with an adjustable material allowance.
Fence
Estimate sections and posts for a straight open run or a closed loop using your maximum post spacing.
Flooring
Estimate floor coverage with an editable waste allowance and optional packs from the coverage printed on your package.
Gravel
Estimate gravel volume from area and depth, with mass only when you supply a material density.
Mulch
Estimate mulch volume and whole bags using your selected depth and package volume.
Paint
Estimate paint from wall area, openings, coats, and the coverage rate you enter for your chosen product.
Roofing
Estimate roof covering area from a horizontal footprint, one pitch ratio, and an editable waste allowance.
Room Area
Add the floor area of multiple rectangular rooms or sections, keeping a separate subtotal for each.
Square Footage
Measure a rectangle or square and see its area in square feet and square meters without changing pages.
Stair
Explore riser count, equal riser height, and horizontal run from a total rise and your chosen planning dimensions.
Tile
Estimate whole tiles from surface and tile dimensions, with an editable allowance for cuts and waste.