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Tiles and boxes for a floor from the room size, the tile size, the grout joint and the layout. See the full page.

Tiles and boxes for up to four walls, less the doors and windows, by tile size and layout. See the full page.

Tiles or mosaic sheets for a kitchen backsplash, less the window and outlets, plus the edge trim. See the full page.

Wall tile boxes, floor mosaic sheets and bullnose trim for a three-wall shower with a niche. See the full page.

Pounds and bags of grout from the tile size, thickness, joint width and grout type. See the full page.

Bags of thinset from the area and the trowel notch, with back-buttering for large tile. See the full page.

Sheets of cement board, the screws, the mesh tape and the thinset to bed it, for a floor or a wall. See the full page.

Full tiles per row, the cut widths at each wall, and whether to centre a tile or a joint to avoid slivers. See the full page.

Spacers by pattern, leveling clips by tile size and wedges, in bags, from the tile count. See the full page.

Cartons of solid hardwood from the floor area, the carton coverage, the grade and the layout. See the full page.

Cartons of engineered plank plus the underlayment, adhesive or cleats the installation method needs. See the full page.

Boxes and planks of laminate from the box coverage and the layout, with the underlayment rolls. See the full page.

Rolls of foam, felt, cork or paper underlayment, the seam tape and a vapor barrier for a slab. See the full page.

Cleats or staples for a nailed floor from the board length, the spacing and the two at each board end. See the full page.

Rows of plank, the last-row width, whether to rip the first row, and the end-joint stagger. See the full page.

Belts and edger discs per grit, dust bags and the hours a drum or orbital sanding job takes. See the full page.

The gap to leave at the walls by material and climate, and where a long run needs a T-moulding. See the full page.

Boxes and planks of luxury vinyl plank from the box coverage, the layout and the pattern repeat. See the full page.

The length of roll to buy, the seams and the offcut, trying the roll both ways across the room. See the full page.

Vinyl tiles and boxes by size, with the primer for peel-and-stick or the adhesive for glue-down LVT. See the full page.

Boxes of floating or glue-down cork, the finish coats it needs and the contact adhesive. See the full page.

Rolls, interlocking tiles or stall mats of rubber for a home gym, with the offcut and the weight. See the full page.

Interlocking tiles for a one-, two- or three-car garage, with the ramp edges along the door. See the full page.

Interlocking foam mats and packs for a play area, with the border strips for the edges. See the full page.

The length of 12, 13.5 or 15 ft roll a room takes, the seams, the square yards and the cost. See the full page.

Carpet tiles and boxes by size and installation pattern, with the adhesive tabs or tackifier. See the full page.

Rolls and square yards of carpet pad by type and density, with the seam tape and staples. See the full page.

Tack strip pieces and bundles from the room perimeter less the doorways, for wood or concrete. See the full page.

Carpet or runner for a flight of stairs from the steps, treads and risers, with landings and pad. See the full page.

The standard rug size that fits your furniture and still leaves floor showing at the walls. See the full page.

Both ways to lay a carpet roll across a room, with the seams, the light and the offcut compared. See the full page.

Sheets of plywood or OSB subfloor or underlayment, the screws on the APA schedule and the adhesive. See the full page.

Joists, rim boards, hangers and blocking for a floor at a given spacing; sizing is left to the span tables. See the full page.

Volume and bags of sand-cement screed from the area and depth, with the weight and the ready-mix figure. See the full page.

Bags of self-leveling underlayment from the area and the average depth, with the primer. See the full page.

Rolls of polyethylene with the overlaps and tape, or gallons of liquid barrier, for a floor on a slab. See the full page.

Bags of batts between the joists or sheets of foam board, by R-value, with the wire supports. See the full page.

The heated area after fixtures and wall gaps, the mat size, the watts and amps, and the circuit it needs. See the full page.

The height difference between two floors, the transition strip it calls for, and the build-up to level it. See the full page.

The area of an L-shaped or odd room from up to six rectangles, with parts to add or subtract. See the full page.

Square feet, square yards, square metres and boxes at a coverage, converted with exact factors. See the full page.

The waste percentage for your material, layout, room shape, grade and installer, and the area to order. See the full page.

Whole boxes or cartons from the area, the coverage and the waste, with the leftover and the cost. See the full page.

Pieces, wall cuts and the real waste for a 45° diagonal, herringbone or chevron floor, and where to start. See the full page.

The wall length for baseboard, shoe moulding or tack strip, less doorways and fixtures. See the full page.

Pieces of baseboard and shoe moulding by length, with the nails and caulk, and which walls need a joint. See the full page.

T-mouldings, reducers, thresholds and carpet edges by doorway, in the strip lengths they are sold in. See the full page.

Treads and risers, stair nose pieces or tile and nosing for a flight of stairs in wood, vinyl or tile. See the full page.

What a floor's worth of tile, stone, wood or vinyl weighs, the trips to carry it and the load it adds. See the full page.

A low-to-high budget for a new floor: material, supplies, labour, removal, trim and tax, by region. See the full page.

What installation labour costs by material, prep, pattern, region and stairs, and the crew-days behind it. See the full page.

The cost to tear out an old floor and haul it away, the hours to do it yourself, and the debris weight. See the full page.

A quote turned into a price per square foot and set against the typical range for the same scope. See the full page.

What doing the floor yourself saves after tools, extra waste and the value of your time. See the full page.

Hours and days to remove, prep and lay a floor by material and crew, with the curing waits. See the full page.

A room-by-room flooring budget for a house, with stairs, removal and a contingency. See the full page.

An installed tile floor priced from the tile, setting materials, backer, heating and labour by tile size. See the full page.

An installed hardwood floor priced by species, grade, installation method and on-site finishing. See the full page.

Two floors compared over the same years: installs, replacements, removal, upkeep and refinishing. See the full page.

A floor's lifetime cost, with refinishes and upkeep, divided into a cost per year and per square foot. See the full page.

What an electric heated floor costs to run per day, month and season at your tariff. See the full page.

The earliest date a wood, laminate or vinyl floor can go down after delivery, with the moisture rule. See the full page.

A dated schedule from delivery to a finished floor: removal, prep, acclimation, laying and curing. See the full page.

How many samples to order across a shortlist and rooms, what they cost, and whether to buy a test box. See the full page.