Search Calculators & Guides
Find the exact calculator, material formula, or renovation guide in our database.
Searchable Construction Calculators Database (38)
Flooring Calculator
Calculate total square footage, pack requirements, waste percentage, and overall material budget in seconds.
Tile Calculator
Calculate exact tile count, cartons, thinset mortar bags, and grout volume for floors, showers, and backsplashes.
Laminate Calculator
Estimate laminate plank cartons, underlayment rolls, transition T-moldings, and quarter-round trim.
Carpet Calculator
Calculate carpet square yards, standard 12ft/15ft roll cuts, padding rolls, and seam allowances.
Vinyl Flooring Calculator
Estimate luxury vinyl plank (LVP), sheet vinyl, and click-lock vinyl tiles for wet areas and basements.
Flooring Waste Calculator
Calculate the exact waste percentage needed based on your installation pattern, room angles, and installer experience.
Paint Calculator
Estimate gallons of wall and ceiling paint, subtract windows and doors, and calculate multi-coat coverage.
Wall Paint Calculator
Calculate exact wall square footage and paint cans for multi-wall rooms and accent walls.
Ceiling Paint Calculator
Calculate flat ceiling paint gallons, texture absorption, and vault/cathedral angle multipliers.
Primer Calculator
Estimate stain-blocking, PVA drywall, and bonding primer gallons before topcoat application.
Paint Coverage Calculator
Calculate exact paint volume in liters, quarts, or gallons based on custom container sizes.
Concrete Calculator
Calculate cubic yards, cubic feet, cubic meters, and 60lb/80lb pre-mixed bags for slabs, footings, and post holes.
Concrete Slab Calculator
Calculate slab volume, rebar grid footage, gravel base tons, and ready-mix yardage.
Concrete Bags Calculator
Find the exact number of 40lb, 50lb, 60lb, or 80lb pre-mixed bags for any DIY project.
Brick Calculator
Estimate standard modular bricks, mortar bags, and sand for walls, veneers, and brick patios.
Block Calculator (CMU)
Calculate 8x8x16 cinder blocks, concrete masonry units (CMU), core fill grout, and mortar bags.
Mortar Calculator
Calculate mortar bags, masonry cement, and sand ratios for brick, block, and stone masonry.
Gravel Calculator
Calculate gravel and crushed stone in tons, cubic yards, and 50lb bags for driveways, paths, and drainage.
Soil Calculator
Calculate topsoil, garden soil, and compost in cubic yards and 1 cu ft/2 cu ft bags for raised beds and lawns.
Mulch Calculator
Estimate wood chip mulch, bark nuggets, and pine straw in cubic yards and 2 cu ft bags.
Turf & Sod Calculator
Calculate sod pallets, turf rolls, square feet, and grass seed pounds for lawn installations.
Paver Patio Calculator
Calculate patio pavers, crushed stone road base, bedding sand, edge restraints, and polymeric sand.
Room Area Calculator
Calculate square footage, square meters, perimeter, and cubic volume for rectangular and L-shaped rooms.
Wall Area Calculator
Calculate gross and net vertical wall surface area minus windows, doors, and fireplaces.
Square Metres Calculator (m²)
Calculate square metres from metres, centimetres, or millimetres with instant imperial sq ft conversion.
Wallpaper Calculator
Calculate single and double wallpaper rolls factoring pattern repeat drop and match waste.
Skirting Board & Baseboard Calculator
Calculate linear footage, board lengths (8ft, 12ft, 16ft), miter corner cut waste, and nail counts.
Feet to Metres Converter
Convert feet and inches to decimal metres and centimetres with precision building tolerances.
Inches to Millimetres Converter
Convert fractional and decimal inches to millimetres and centimetres for woodworking and tile cuts.
Square Feet to Square Metres Converter
Convert floor and property square footage to square metres and hectares with live cost per unit rate.
Litres to Gallons Converter
Convert litres to US liquid gallons and UK imperial gallons for paint, sealers, and pool chemicals.
Kilograms to Pounds Converter (kg to lbs)
Convert kilograms to pounds and ounces for concrete bags, mortar sand, structural load ratings, and shipping.
Drywall Calculator
Calculate 4x8 and 4x12 drywall sheets, joint compound mud pails, tape rolls, and drywall screws.
Wall Stud & Framing Calculator
Calculate 2x4 and 2x6 wall studs, top/bottom plates, corner studs, and headers for partition and load-bearing walls.
Roof Shingle Calculator
Calculate roof pitch multiplier, roofing squares, shingle bundles, underlayment rolls, and ridge caps.
Siding Calculator
Calculate siding squares, vinyl siding boxes, J-channel lengths, starter strips, and corner posts.
Fence Calculator
Calculate posts, rails, pickets, gate hardware, and post-hole concrete bags for privacy and wood fences.
Decking Calculator
Calculate deck surface boards (5/4x6 wood vs composite), framing joists (12" vs 16" OC), ledger board, and hidden fastener boxes.
Searchable Renovation & Estimation Guides (14)
Flooring Waste Percentage Guide
A complete contractor guide to calculating waste percentages for straight, diagonal, herringbone, and multi-room flooring jobs.
Tile Trowel Size & Thinset Guide
How to select the right notch trowel size (1/4", 3/8", 1/2") and estimate 50lb bags of polymer-modified thinset mortar.
Laminate Acclimation & Gap Guide
Why laminate flooring buckles without proper 48-hour acclimation and 3/8" perimeter expansion gaps.
Paint Sheen Selection Guide
How to pick the right interior paint sheen for bedrooms, bathrooms, ceilings, trim, and high-traffic hallways.
Concrete Curing Strength Guide
The science of concrete hydration, curing blankets, chemical sealers, and avoiding surface spalling.
Paver Patio Subbase Guide
Why patios sink and how to install a 4"-6" crushed stone base with ASTM C33 sand and polymeric joints.
Room Square Footage Guide
How to calculate square footage for L-shaped rooms, bay windows, circular spaces, and stairways.
Construction Conversions Guide
Fast mental math rules and exact conversion tolerances for international building plans.
How to Calculate Concrete Slab Yardage & Premix Bags
Contractor formulas for calculating cubic yards, 80lb/60lb pre-mix bag counts, subbase gravel tonnage, and rebar grids for concrete slabs.
Interior Paint Coverage & Primer Estimation Guide
How to calculate net wall square footage minus doors and windows, account for dry drywall absorption, and select between 1 vs 2 finish coats.
Gravel, Crushed Stone & Mulch Depth Guide
How to calculate cubic yards and tonnage for driveways, French drains, paver bases, and garden flowerbed weed suppression.
Luxury Vinyl Plank (LVP) Installation & Box Count Guide
Step-by-step contractor guide for calculating LVP cartons, staggered end-joint overlaps, perimeter expansion gaps, and cutting waste.
CMU Cinder Block & Mortar Estimation Guide
Complete engineering guide for calculating 8x8x16 concrete masonry units (CMU), Type S mortar bags, and core-fill grout for retaining walls.
Wallpaper Roll & Pattern Drop Calculation Guide
How to measure walls, deduct openings, and account for straight vs drop match pattern repeats when purchasing single vs double wallpaper rolls.