Every calculator, guide and chart
40 material calculators grouped by the kind of work, 29 cost and comparison guides, and 6 reference charts. Every one is free and needs no sign-up.
Concrete and masonry
Anything poured, laid or stacked.
ConcreteHow many cubic yards or 80 lb bags a slab, footing or column takes.
Paver & PatioHow many pavers, plus the gravel base and sand bed under them.
BrickHow many bricks and bags of mortar a wall takes at a given joint.
Retaining WallHow many blocks and courses, plus base and backfill gravel.
RebarHow many bars a slab grid takes, with laps, ties and total linear feet.
Shed FoundationA gravel pad or a slab, including the overhang past the walls.
Landscaping and yard
Everything outside the walls of the house.
Gravel & AggregateHow many tons or cubic yards of stone an area needs at a given depth.
Mulch & TopsoilWhether bags or a bulk yard is cheaper, and how many of either.
SodHow many square feet, pieces and pallets of sod to order.
Grass SeedHow many pounds and bags of seed, by grass type and purpose.
Lawn FertilizerPounds of product from a nitrogen rate and the bag's analysis.
Soil AmendmentCubic yards of compost, and what share of the tilled layer it is.
Raised Garden BedCubic feet of soil, bags of it, and the board for the frame.
French DrainStone, pipe displacement and how wide the filter fabric has to be.
Excavation & FillCubic yards in the ground, loose in the truck, and how many loads.
Pool VolumeGallons and litres by shape, plus gallons per inch for dosing.
Firewood CordWhat fraction of a cord a stack is, and the real price per cord.
Driveway SealerHow many 5 gallon pails, which the surface decides, not the size.
Interior finishes
Surfaces you see once the framing is closed in.
PaintHow many gallons a room takes once doors and windows come off.
FlooringHow many boxes to buy, with the right waste factor for the layout.
TileHow many tiles and boxes, plus the grout to fill the joints.
Thinset & MortarHow many bags, which the trowel notch decides more than the tile does.
DrywallHow many sheets, how much mud, and how many screws.
CarpetSquare yards off the roll, which is not the room's square yards.
WallpaperHow many rolls, counted in strips so the pattern repeat is in it.
Baseboard & TrimLinear feet of baseboard, and how many sticks of stock that is.
CountertopSquare feet of counter and backsplash, and what the slab costs.
Framing and structure
Lumber, sheet goods and the things that hold weight.
Wall FramingStuds, plates, headers and cripples for a wall with openings in it.
Stair StringerRiser height, tread depth and stringer length, checked against code.
Board FootBoard feet and cost for any thickness, width and length of lumber.
Plywood & SheathingHow many 4x8 sheets an area takes, with the right waste for the job.
DeckHow many deck boards, joists and screws, in the direction you are laying them.
Roofing and exterior
The weather side of the building, and the fence around it.
RoofingHow many squares and bundles once the pitch is accounted for.
SidingHow many squares, pieces and boxes, gables and openings included.
GutterLinear feet, how many downspouts, and whether you need 5 or 6 inch.
Deck StainHow many gallons for the boards, the railing and the stairs.
FenceHow many posts and bags of concrete a run of fence needs.
Chain Link FenceLine and terminal posts, rail, fabric, and every fitting.
Systems
Sizing rather than counting.
Cost and comparison guides
What the work costs, and which of two options is cheaper over ten years.
AC replacement cost in 2026What replacing central air costs per system and per ton, installed.
Bagged vs. ready-mix concreteWhere bags stop being cheaper than ordering a truck.
Basement finishing cost in 2026What finishing a basement costs per square foot, room by room.
Blown-in vs. batt insulationCoverage, R-value per inch and installed cost, for both.
Carpet cost in 2026What carpet costs per square foot installed, by grade and room size.
Composite vs. wood deckingTen-year cost, maintenance and summer heat, for both decking materials.
Concrete patio cost in 2026What a concrete patio costs per square foot, plain and stamped.
Countertop cost in 2026What countertops cost per square foot installed, by material and kitchen.
Deck building cost in 2026What a deck costs built and DIY, by size and decking material.
Driveway costGravel, asphalt, concrete and pavers priced per square foot.
Drywall cost in 2026What drywall costs per square foot hung and finished, by room.
Fence installation cost in 2026What a fence costs per linear foot, by material and height.
Flooring cost in 2026What each flooring type costs installed and as materials only.
French drain cost in 2026What a French drain costs per linear foot, by type and length.
Gravel vs. concrete drivewayTen-year cost, snow, slope and resale, for both driveways.
Gutter installation cost in 2026What gutters cost per linear foot, by material and house size.
Insulation cost in 2026What insulation costs per square foot, by type and attic size.
Landscaping and mulch cost in 2026What mulch, stone, sod and beds cost, over ten years as well as today.
LVP vs. laminate vs. hardwoodWater, wear, refinishing and cost, across all three floors.
Mini-split vs. central ACInstall cost, running cost and zoning, for both systems.
Mulch vs. rockWeed suppression, heat, soil and cost, for mulch against stone.
Cost to paint a room in 2026What painting a room costs, hired out and doing it yourself.
Paver patio cost in 2026What a paver patio costs per square foot, by material and size.
Retaining wall cost in 2026What a wall costs per square face foot, and where engineering starts.
Roof replacement cost in 2026What a new roof costs by material, size and pitch.
Siding cost in 2026What siding costs per square, by material and wall area.
Sod cost in 2026What sod costs per square foot and per pallet, by lawn size.
Sod vs. seedCost, timing and the result you get, for sod against seed.
Tile installation cost in 2026What tile costs per square foot installed, by material, area and room.
Reference charts
Published constants and code minimums, with the source named on every page.
Concrete bag yield chartCubic feet per bag, and bags per cubic yard, for every bag size.
Roof pitch chartPitch, angle, and the multiplier that turns footprint into roof area.
Material weight chartPounds per cubic yard and cubic yards per ton for common materials.
AC size chartBTU and tonnage by room size and climate zone.
Stair code requirementsThe 2021 IRC minimums for riser, tread, headroom and handrail.
Deck joist span chartAWC DCA 6 Table 2 spans, by species, size and joist spacing.
Nothing here matches that. Try a material (concrete, mulch, drywall) or the thing you are measuring (roof pitch, joist span).