Cement, concrete, bricks, steel, paint, tiles, roofing and more — get instant, shareable material estimates for any building project.
Every tool gives instant results as you type — plus PDF download, print and share options.
Free cement calculator — find the number of cement bags needed for concrete, mortar or plaster from your slab or wall dimensions and mix ratio.
Free concrete calculator for slabs, footings, columns and walls.
Free brick calculator — find the exact number of bricks and mortar needed for your wall based on wall size, brick size and mortar joint thickness.
Free sand calculator — estimate the volume and weight of sand needed for concrete, mortar, or a sand base, in cubic feet, cubic metres and tons.
Free tile calculator — work out how many floor or wall tiles and boxes you need for any room size, with a wastage allowance built in.
Free paint calculator — estimate how many litres or gallons of paint you need for any room, based on wall area, coats and coverage rate.
Free steel/rebar weight calculator — add multiple bar sizes and lengths to get the total steel weight using the standard D²L/162 formula.
Free asphalt calculator — estimate the tonnage of hot mix asphalt needed for your driveway, road or parking lot project.
Free gravel calculator — estimate the volume and weight of gravel, crushed stone or aggregate you need in cubic yards and tons.
Free plaster calculator — find the cement and sand needed for wall or ceiling plastering based on area, thickness and mix ratio.
Free flooring calculator — work out how many planks, boxes and packs of laminate, vinyl or hardwood flooring you need for any room.
Free wall area calculator — quickly find the net paintable or plasterable wall area after subtracting doors and windows.
Free roof calculator — find your roof's actual surface area, number of shingle squares, and bundles needed based on footprint and pitch.
Free stair calculator — find the number of steps, riser height, tread depth and stringer length for any staircase from the total rise.
Free excavation calculator — estimate dig volume, soil swell, and truckloads needed for foundations, basements and trenches.
Free foundation calculator — estimate concrete volume for strip or spread footings based on length, width, depth and quantity.
Free paver calculator — find the number of pavers, base gravel and bedding sand needed for your patio, walkway or driveway.
Free drywall calculator — find the number of sheets, joint compound and screws needed for your walls and ceiling.
Free rebar calculator — find the number of bars, total length and weight of reinforcement steel needed for a slab grid.
Free material cost estimator — add every material line item for your project and get an instant, shareable total cost estimate.
Results update live as you type — no "Calculate" button, no page reloads.
Export any result as a PDF, copy it as text, print it, or share via email/WhatsApp.
Fully responsive — use it on-site from your phone or in the office on desktop.
All maths happens in your browser. Nothing you enter is uploaded or stored.
Built on widely used construction formulas — dry-volume factors, D²L/162 for steel, and more.
No sign-up, no subscriptions, no limits — use every calculator as often as you like.
Yes — every calculator on this site is completely free to use, with no sign-up, no usage limits, and no watermarks on your results.
No. Every calculator runs directly in your browser on any device — phone, tablet or desktop — with no app or plugin required.
Yes — every calculator lets you copy the results, download a PDF, print, or share via email or WhatsApp directly from the results panel.
No. All calculations happen locally in your browser — nothing you enter is uploaded to a server or stored by us.
They use standard, widely accepted construction industry formulas and typical material densities. For structural or code-critical work, always confirm figures with a licensed engineer or your local building authority.