Free tools
Trade calculators, drawn to scale
Live, interactive calculators for the numbers you quote in every day. The wall redraws as you type, the working is shown, and the answer is rounded to what you actually buy.
Drawn to scale
The picture redraws as you type, so you can see what you are ordering.
The maths shown
Every result opens up to a step-by-step working with your own numbers.
Rounded to what you buy
Bags, cans, sheets, pallets and boxes, never a half-tile short.
Free and ungated
Copy, share by link or print. No account needed to use one.
Every trade
Pick your calculator
Start with a live drawing, drag the walls or rooms to your size, and read off the materials list. Bricklayer, concreter, fencer, pool builder, steel fabricator or carpenter.
Brick calculator
Bricks, mortar, pallets and openings, drawn to scale as you type.
Concrete slab calculator
Slab, edge beams and internal ribs. Flip to the underside view to see the beam network.
Steel beam and column weight calculator
Add beams, columns, plates and bolts. Get mass, coating and cost in one live take-off.
Fence calculator
Timber paling or Colorbond: posts, rails, palings, panels and footing concrete, drawn to scale.
Pool calculator
Litres, dig and spoil, truck loads, coping, paving and pool fence panels, drawn to scale.
Paint calculator
Rooms, openings, coats and primer, rounded to real can sizes, with the room drawn as you go.
Tile calculator
Floors and walls in straight, brick, diagonal or herringbone, laid out to scale with every cut tile shown.
Carpet calculator
Drops, seams and offcut drawn over each room, with the roll cut up below it. Underlay, smooth edge and stairs too.
Plasterboard and cornice calculator
Every sheet laid out on the unfolded room, cornice lengths cut wall by wall, and the fixings and jointing to match.
Decking calculator
Every board laid on the deck with joins over joists, then the boards, screws, joists and oil to buy.
Paver calculator
Every paver laid in stretcher, herringbone or basket weave, with the sand, road base and edging underneath.
Soil, mulch and gravel calculator
Beds and paths in layers of soil, mulch, gravel or road base: cubic metres, tonnes, bags and trailer loads.
Roofing calculator
Gable, hip or skillion roofs sheeted on plan, with sheet lengths from the pitch, screws per batten row, capping and sarking.
Concrete block calculator
Blockwork walls with openings, mortar, core fill and render, drawn block by block.
Plan scale calculator
Paper to metres and back at any scale, the scale from a known dimension, and what a resized print does to it.
Skirting and architrave calculator
Skirting round every room and architrave round every door and window, cut from real 5.4 m lengths.
Turf calculator
Lawn areas in any mix of shapes, with the cutting allowance, underlay soil and fertiliser.
Insulation calculator
Ceiling and wall batts by frame spacing, with packs from the label and the batt's thickness drawn against the joists.
Wall framing calculator
Timber or steel stud walls: studs, plates or track and noggings, counted and drawn.
Roof pitch calculator
Rise and run, degrees and 1 in N, with rafter and hip lengths drawn to scale.
Wallpaper calculator
Drops, pattern repeats and rolls, with the pattern drawn on every wall and the drops cut from each roll.
Retaining wall calculator
Sleepers, steel posts, concrete and drainage for a sleeper wall, with council height warnings.
Every number has a source
Each calculator ships with its formula, a worked example and the source of every default. Anything we can't cite is a field you fill in.
Save the counting for the calculator
MetreMate measures every dimension you would normally type in, straight off your PDF plan.
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