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Calcora

Category / 42 tools

Home & Construction calculators

Material estimators for concrete, paint, flooring, and more.

Concrete Calculator

Cubic yards and 60/80 lb bag counts for slabs, footings, and posts.

Paint Calculator

Gallons of paint a room needs by size, coats, doors and windows.

Flooring Calculator

Square footage, waste factor, and boxes of flooring to buy.

Mulch Calculator

Cubic yards of mulch and the number of 2 cu ft bags for any bed.

Gravel & Driveway Calculator

Cubic yards and tons of gravel for a driveway, path, or base.

Drywall Sheet Calculator

How many 4×8 drywall sheets a room needs, walls plus ceiling.

Tile Calculator

How many tiles and boxes you need for a floor or wall.

Roofing Squares Calculator

Roofing squares and shingle bundles from footprint and pitch.

Deck Board Calculator

How many deck boards and rows you need for a deck of any size.

Fence Calculator

Posts, rails, and pickets for a fence run of any length.

Sod Calculator

Square yards, pallets, and rolls of sod for a lawn area.

Grass Seed Calculator

Pounds of grass seed for a new lawn or overseeding.

BTU / AC Sizing Calculator

BTUs of cooling a room needs to size an AC unit.

Insulation / R-Value Calculator

Batt or roll square footage and the R-value you need.

Stair Calculator

Number of steps, rise, and run for a staircase to a given height.

Brick Calculator

How many bricks a wall needs, including mortar joints.

Plywood / Sheet Goods Calculator

How many 4x8 sheets of plywood or OSB an area needs.

Wallpaper Calculator

Rolls of wallpaper a room needs by wall size and roll coverage.

Baseboard & Trim Calculator

Linear feet of baseboard or trim for a room, with waste.

Excavation / Dirt Calculator

Cubic yards and truckloads of dirt to excavate or fill.

Asphalt Calculator

Tons of asphalt for a driveway or lot at a given thickness.

French Drain Gravel Calculator

Cubic yards and tons of gravel to fill a French drain trench.

Square Footage Calculator

Square footage of a room and its cost at a price per square foot.

Board Foot Calculator

Board feet of lumber from thickness, width, and length.

Wall Framing Calculator

Studs and plate lumber for framing a wall at 16 or 24 inch spacing.

Retaining Wall Calculator

Wall blocks, courses, and cap blocks for a segmental retaining wall.

Topsoil Calculator

Cubic yards, tons, and bags of topsoil for beds, lawns, and fill.

Siding Calculator

Squares and boxes of vinyl siding from your home's wall area.

Paver Calculator

Pavers and gravel base for a patio or walkway of any size.

Sand Calculator

Cubic yards, tons, and bags of sand for bedding, boxes, and fill.

Rebar Calculator

Rebar pieces and linear feet for a slab grid at your spacing.

Carpet Calculator

Square yards of carpet for a room, with waste for seams and trim.

Deck Stain Calculator

Gallons of stain or sealer for a deck, by coats and coverage.

Concrete Block Calculator

CMU blocks and mortar bags for a block wall of any size.

Stair Stringer Calculator

Stringer count and board length for a set of deck or porch stairs.

Gutter Calculator

Gutter sections, downspouts, and hangers for your roofline.

Baluster Calculator

Balusters for a railing run with the code-max 4 inch gap.

Pool Volume Calculator

Gallons in a rectangular or round pool from its dimensions.

Firewood Calculator

Cords of firewood in a stack — check you got what you paid for.

Driveway Sealer Calculator

Pails of asphalt sealer for a driveway, by coats and coverage.

Fertilizer Calculator

Pounds of fertilizer product from your lawn size and nitrogen rate.

Dumpster Size Calculator

The dumpster size to rent from your debris pile's dimensions.