Free online calculators for builders and DIY renovators. Calculate bricks, tiles, wallpaper, paint, concrete, laminate, roofing, insulation and more — accurate and instant.
Calculate the exact number of bricks for any wall. Choose wall thickness from half-brick to double-brick, enter dimensions and openings. Includes 10% waste factor.
Find out how many tiles you need for floor or wall tiling. Enter room and tile dimensions, choose waste factor for straight or diagonal laying.
Calculate how many rolls of wallpaper you need. Accounts for room perimeter, ceiling height, doors, windows and pattern repeat length.
Estimate litres of paint needed for walls or ceiling. Enter surface area, coverage rate and number of coats to get total litres and number of cans.
Calculate packs of laminate flooring for any room. Enter room and board dimensions plus boards per pack. Includes waste for straight or diagonal installation.
Calculate concrete volume and mix proportions by grade. Get exact quantities of cement, sand and gravel in kilograms, plus number of cement bags.
Calculate floor area, total wall area and net wall area (minus openings), plus room volume. Essential first step before ordering any finishing materials.
Calculate pitched roof area for any house size. Enter dimensions and roof angle to get slope area, ridge length and rafter length with overhang.
Calculate concrete for strip foundations. Enter perimeter, width and height to get volume plus cement, sand and gravel quantities by concrete grade.
Calculate how many insulation boards you need. Enter area to insulate, layer thickness and board dimensions to get sheet count and total insulation volume.
Calculate window reveal area and sill length. Enter opening dimensions, reveal depth and sill projection for one or multiple windows at once.
Calculate cement and sand for floor screed. Enter room dimensions and screed thickness to get mix volume, material weights and number of cement bags.
Calculate reinforcement steel for strip foundations. Get longitudinal bar length, stirrup count, tie wire weight and total rebar weight by bar diameter.
Find out how many boards fit in a cubic metre and how many you need for your project. Enter board dimensions and required volume for instant results.
Calculate aerated concrete or foam blocks for walls. Choose block size, enter wall dimensions and openings to get block count, course count and 10% waste.
MaterialMeter is a free building material calculator. All 15 tools run instantly in your browser — no sign-up required. Calculate exact quantities for bricks, tiles, wallpaper, paint, laminate, concrete, roofing, foundation, insulation, window reveals, floor screed, rebar, lumber and blocks. Results include waste factors and pro tips.