Home & DIY guides
Plan flooring, painting, concrete and other home projects: how much to buy, how to measure, and what to watch for.
Calculators
Paint calculator
OpenLitres or gallons for a room, and which can sizes to buy.
Concrete calculator
OpenSlabs, patios and post holes, with premix bag counts.
Flooring calculator
OpenBoxes of laminate, vinyl plank or hardwood for your rooms, with waste.
Fence calculator
OpenPosts, panels or pickets, and bags of concrete for a run of fence.
Tile calculator
OpenTiles and boxes for floors, walls and showers, with waste.
Gravel calculator
OpenCubic yards, tons and bags of gravel or crushed stone for drives and paths.
Mulch calculator
OpenCubic yards or bags of mulch for beds, borders and tree rings.
Topsoil calculator
OpenTopsoil for new lawns, raised beds and levelling, in yards, tons or bags.
Sod calculator
OpenRolls and pallets of sod (turf) for a new lawn, with extra for cuts.
Guides
How Many Tiles Do I Need? Floors, Walls and Showers
How to work out how many tiles to buy for a floor, wall or shower: measuring, tile and grout sizes, waste by layout, boxes, and how much adhesive and grout to plan for.
How Much Concrete Do I Need? Slabs, Patios and Post Holes
How to work out how much concrete you need in cubic yards, cubic metres or bags: slab and post-hole formulas, bag yields, worked examples (including a 10×10 slab), and when to order ready-mix.
How Much Flooring Do I Need? Measure, Add Waste and Buy the Right Boxes
How to work out how much laminate, vinyl plank or hardwood flooring to buy: measuring rooms, waste for each layout, box counts, underlayment, trim and a worked example.
How Much Paint Do I Need for a Room? Walls, Ceilings and Coats
How to work out how much paint you need: measuring walls, subtracting doors and windows, coverage per gallon or litre, number of coats, ceilings, trim and primer, with worked examples.
How to Calculate Fence Materials: Posts, Panels, Pickets and Concrete
A step-by-step guide to working out fence materials: measuring the fence line, post spacing, how many posts, panels, rails and pickets, post-hole size and concrete, with a worked example.