Home & DIY Tools

Plan a deck build — total area, deck boards, joists, screws, and cost. Supports multiple sections, board gap, joist spacing (12"/16"/24" or 300/400/600 mm), waste percentage, and imperial or metric units.

Estimate flooring for one or many rooms — total area, area with waste, boxes to buy, and total cost. Switch between feet and meters. Works for laminate, hardwood, LVP, tile, vinyl, and carpet.

Estimate what any appliance costs to run from watts, daily hours, weekly usage, quantity, and tariff price per kWh. See daily, monthly, and yearly electricity cost instantly.

Estimate concrete volume, bags, ready-mix yards, and total cost for slabs, columns, footings, and stairs — all in one pour list. Imperial or metric.

Estimate fence posts, rails, pickets, and concrete bags for picket, privacy, and split-rail fences. Imperial or metric.

Estimate roofing squares, bundles, underlayment rolls, drip edge, and ridge cap for gable, hip, and shed roofs. Imperial or metric.

Estimate mulch volume, cubic yards, bags, weight, waste, and cost for garden beds, borders, and tree rings. Imperial or metric.

Estimate grass seed weight, bag count, coverage, and cost for new lawns or overseeding by grass type. Imperial or metric.

Estimate tile count, boxes, edge cuts, and cost with a live to-scale visual preview of the layout pattern — straight grid, brick (50%), 1/3 offset, or diagonal 45°.

Estimate how much grout you need by weight, volume, and bags — based on tile size, joint width, joint depth, and grout type (unsanded, sanded, epoxy).

Estimate pavers, base gravel, bedding sand bags, edge restraint length, and total cost for a patio, walkway, or driveway. Running bond, herringbone, basket weave, or stack.

Work out rod length, panel width, and drop length for your window — including fullness, header allowance, and hem. Sill, floor, or puddle lengths supported.

Estimate topsoil volume, bags, weight, and cost for garden beds, raised beds, and lawn fill. Supports rectangular and circular beds, imperial or metric.

Estimate how much compost you need by volume, bags, weight, and cost for garden beds, raised beds, and borders. Supports rectangular and circular beds, imperial or metric.

Estimate materials for a shed base — concrete slab, gravel, paving slabs, or timber frame. Get concrete bags, sub-base, gravel, bedding sand, slab counts, joists and timber lengths. Imperial or metric.

Estimate wallpaper rolls, strips, usable coverage, and total cost for a room. Includes doors and windows, roll dimensions, trim allowance, and pattern repeat waste.

Estimate gallons or litres of paint, cans to buy, and total cost for a room. Includes doors and windows, optional ceiling, number of coats, paint type coverage, and waste allowance.

Estimate insulation bags, batts, or spray-foam board-feet and cost. Pick an R-value tier (R-13 walls, R-19 floors, R-30/R-38 attic, R-49 ceiling) and material (fiberglass batt, blown-in, spray foam) — coverage rates set automatically.

Work out stair stringer length, riser count, riser height, tread run, and stair angle from your total rise and run — with a right-triangle diagram and a US (IRC) or UK (Part K) building-code compliance check.

Calculate drywall sheets (4×8, 4×10, 4×12), screws, joint compound buckets and paper tape for any room. Subtracts doors and windows, optional ceiling, with a to-scale wall-elevation preview that shows the sheet layout.

Estimate gravel volume, weight, bags, and total cost for driveways, paths, drainage, and landscaping. Supports rectangle, circle, and ring shapes with imperial or metric units.

Estimate brick count, mortar bags, and total cost for any brick wall — with a to-scale SVG preview of running bond, stack bond, ⅓ offset, or herringbone. Supports modular, queen, engineer, Norman, and UK bricks.