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Construction Calculators
Free calculators for concrete, paint, tile, flooring, and building materials.
Concrete Calculator Calculate how much concrete you need in cubic yards and cubic meters, plus the n
Square Footage Calculator Calculate the area of a rectangular space in square feet, square meters, and acr
Paint Calculator Calculate how many gallons of paint you need for a room. Accounts for walls, cei
Tile Calculator Calculate the number of tiles needed for a floor or wall. Includes waste percent
Flooring Calculator Calculate how much flooring you need in square feet, including a waste percentag
Roofing Calculator Calculate how many roofing squares, shingle bundles, and sheets of underlayment
Mulch Calculator Calculate cubic yards and cubic feet of mulch needed for any garden bed or lands
Gravel Calculator Calculate how many tons and cubic yards of gravel, crushed stone, or pea gravel
Fence Calculator Calculate how many fence posts, rails, and boards you need for any fencing proje
Deck Calculator Estimate deck boards, joists, and support posts needed for a deck based on dimen
Drywall Calculator Calculate how many sheets of drywall (4×8 or 4×12) you need for walls and ceilin
Wallpaper Calculator Calculate how many rolls of wallpaper you need for a room, accounting for patter
Insulation Calculator Calculate how many batts or rolls of insulation you need for walls, attics, or c
Stair Calculator Calculate stair dimensions: number of risers, riser height, tread depth, total r
Paver Calculator Calculate how many pavers you need for any patio, walkway, or driveway. Enter ar
Siding Calculator Calculate how many squares of siding you need for any wall. Enter wall dimension
Retaining Wall Calculator Calculate how many retaining wall blocks you need, number of courses, cap blocks
Soil Calculator Calculate how much soil, topsoil, or garden mix you need in cubic feet, cubic ya
Rebar Calculator Calculate how many rebar bars you need for any concrete slab, footing, or column
Concrete Steps Calculator Calculate concrete volume in cubic feet, cubic yards, and 80 lb bags for steps a
Concrete Block Calculator Calculate how many concrete blocks (CMU) you need for any wall. Get block count
Land Area Calculator Calculate land area in square feet, square yards, acres, and hectares for rectan
Asphalt Calculator Calculate how much asphalt you need in tons and cubic yards for driveways, parki
Pool Volume Calculator Calculate swimming pool volume in gallons, liters, and cubic feet for rectangula
Concrete Slab Calculator Calculate concrete cubic yards, bags, rebar grid, sub-base, form boards, and tot
Concrete Footing Calculator Calculate concrete volume for continuous footings, pier (sonotube) footings, and
Carpet Calculator Calculate how much carpet you need in square feet and square yards, including wa
BTU Calculator Calculate the BTU needed to cool or heat a room based on square footage, ceiling
Concrete Yard Calculator Calculate exact cubic yards of concrete to order for delivery. Includes waste fa
Concrete Driveway Cost Calculator Estimate the total cost to pour a concrete driveway including materials, labor,
Snow Load Calculator Calculate the total weight of snow on your roof in pounds and pounds per square
Sand Calculator Calculate how much sand you need in cubic feet, cubic yards, tons, and 50 lb bag
Lumber Calculator Calculate board feet of lumber and total cost for any woodworking or constructio
Generator Size Calculator Calculate the right generator size in kW for your home or job site. Enter total
Bathroom Remodel Calculator Estimate bathroom remodel costs by size and remodel level. Get detailed cost bre
Kitchen Remodel Calculator Estimate kitchen remodel costs by size and remodel level. Get a detailed cost br
Heat Pump Size Calculator Calculate the right heat pump size in BTUs and tons for your home based on squar
Plywood Calculator Calculate how many plywood sheets you need for any project. Enter area dimension
Fence Post Calculator Calculate the number of fence posts, post hole depth, concrete bags per hole, an
Epoxy Floor Calculator Calculate how much epoxy primer, base coat, and top coat you need for any floor
Gutter Calculator Calculate how many linear feet of gutter, number of downspouts, end caps, and co
Window Replacement Cost Calculator Estimate window replacement cost per window and total project cost. Compare viny
Solar Panel Calculator Calculate how many solar panels you need, system size in kW, annual savings, pay
Backsplash Calculator Calculate how many tiles you need for your kitchen or bathroom backsplash. Enter
Water Heater Size Calculator Calculate the right water heater size for your home. Find recommended tank size
Brick Calculator Calculate how many clay or face bricks you need for a wall, including mortar bag
Cubic Yard Calculator Calculate volume in cubic yards, cubic feet, and gallons for any material. Recta
Duct Size Calculator Calculate round duct diameter and rectangular equivalent for any CFM airflow req
Steel Weight Calculator Calculate the weight of steel plates, round bars, square bars, pipes, and angles
Gas Pipe Sizing Calculator Size natural gas or propane pipes by BTU load and pipe length. Supports 2 PSI, 0
Framing Calculator Calculate wall studs, top and bottom plates, and total lumber for framing projec
Pipe Flow Calculator Calculate pipe flow rate in GPM and CFM, flow velocity, Reynolds number, and pre
Concrete Ramp Calculator Calculate concrete volume for a ramp in cubic feet, cubic yards, and 80-lb bags.
Stucco Calculator Calculate stucco mix bags, wire lath, and mesh rolls for any wall. Supports 2 or
Sod Calculator Calculate how many sod rolls and pallets you need, plus installation cost, topso
Cable Length Calculator Calculate total cable needed for a network or wiring project. Find total wire ru
Concrete Mix Calculator Calculate cement bags, sand, and gravel needed for any concrete mix ratio. Suppo
Roof Pitch Calculator Calculate roof pitch ratio (4:12, 6:12, etc.), angle in degrees, rafter length,
Area of Irregular Shape Calculator Calculate the area and perimeter of any irregular polygon using the Shoelace for
Tank Volume Calculator Calculate industrial and agricultural tank volume in gallons, liters, and oil ba
Shingle Calculator Calculate how many asphalt shingle bundles you need for your roof. Enter roof ar
Foundation Calculator Calculate concrete cubic yards, rebar linear feet, and formwork area for slab, s
Pea Gravel Calculator Calculate how much pea gravel you need in cubic yards, tons, and 50 lb bags for
River Rock Calculator Calculate how much river rock you need in cubic yards and tons for landscaping b
Landscape Edging Calculator Calculate how many landscape edging pieces you need by entering bed perimeter in
Countertop Calculator Calculate countertop square footage for standard counters, islands, L-shape, and
Baseboard Calculator Calculate how much baseboard trim you need in linear feet and 8- or 16-foot piec
Crown Molding Calculator Calculate how much crown molding you need in linear feet and 8- or 12-foot piece
Driveway Sealcoat Calculator Calculate how many gallons of driveway sealer you need for 1-coat or 2-coat appl
Chimney Flue Size Calculator Calculate the required chimney flue diameter and minimum height for wood stoves,
Water Feature Pump Calculator Size a pond or fountain pump in GPH. Enter water volume, turnover rate, and head
Duct Velocity Calculator Calculate air velocity in feet per minute (FPM) through round or rectangular duc
Pool Heater Size Calculator Calculate the BTU/hr heater size needed to heat your pool. Covers gas, electric,
Cabinet Calculator Calculate kitchen cabinet linear feet for L-shaped, U-shaped, and galley layouts
Wind Load Calculator Calculate structural wind pressure in PSF using ASCE 7 velocity pressure and exp