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Home Improvement Calculators

Every calculator on the site runs on one room engine: measure the room once, and the drywall, paint, insulation, flooring and tile numbers all agree on the same walls, openings and floor.

  • One room engine
  • Free, no sign-up
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Drywall

Sheets, mud, tape, screws and cost, from a quick estimate to a sheet-by-sheet plan.

Drywall CalculatorMain drywall calculator: sheets, joint compound, tape, screws and cost from room dimensions.Drywall Layout CalculatorSheet-by-sheet layout planner: fits board to each wall and ceiling, reuses offcuts and draws a diagram per wall.Drywall Mud CalculatorJoint compound by sheets or sq ft, finish level and product, plus sheets per bucket.Drywall Screw CalculatorScrews per sheet by framing and surface with a pattern diagram, plus screws per pound.Drywall Tape CalculatorRolls of paper or mesh tape from layout seams and inside corners.Corner Bead CalculatorSticks of corner bead for corners, window returns and soffits, with a cut plan.Skim Coat CalculatorGallons and pails of compound or primer-surfacer to skim coat an area.Drywall Texture CalculatorBags of texture for orange peel, knockdown, spatter and popcorn patch by area.Drywall Weight CalculatorWeight per sheet by thickness and size, bundles and trips per vehicle.Drywall Calculator for Walls and CeilingWhole-room mode with walls and ceiling enabled together, including ceiling screw density.Drywall Calculator: Square Feet to SheetsSquare-footage focused mode: gross area, deductions, net sq ft and the sheet conversion.Drywall Ceiling CalculatorCeiling-only mode: walls switched off, with a higher screw purchasing allowance.Drywall Cost CalculatorCost mode: board, finishing supplies and labor line items plus an installed total.1/2 vs 5/8 Drywall1/2 vs 5/8 in drywall for your room: cost, weight, screws and code requirements.

Drywall by job

Jobs with their own rules: tall walls, garage fire separation, sheds and bathroom wet areas.

Drywall for 8 ft WallsBoard options for 8 ft walls compared for your room, with per-wall diagrams.Hanging Drywall on 9 ft Walls9 ft wall layout tool: 48 in plus strip vs 54 in vs vertical 4x9, sheets and seams, per-wall diagrams.What Size Drywall for 10 ft Walls?10 ft wall layout tool: vertical 4x10 vs horizontal 48 in and 54 in, with diagrams.Vaulted Ceiling Drywall CalculatorCathedral ceiling slopes and gables from span and pitch, sheets and extra over a flat ceiling.Stairwell Drywall CalculatorStairwell rake walls, end wall and sloped ceiling from rise and tread, with sheet length.Cost to Drywall a ClosetCloset drywall cost with minimum-charge logic, materials list and DIY comparison.Garage Drywall CalculatorGarage takeoff split into type X and regular board by the IRC separation table.Garage Drywall Code RequirementsInteractive IRC R302.6 checker: 1/2 in vs 5/8 in Type X per garage surface.How Many Sheets of Drywall for a 2 Car Garage?Table of drywall sheets for common 2 car garage sizes, wall heights and Type X cases.Drywall for a 20x20 Garage20x20 garage: sheets by wall height, Type X split, materials and wall diagrams.Drywall for a 24x24 Garage24x24 garage: sheets by wall height, Type X split, materials and wall diagrams.Drywall for a 10x12 Shed10x12 shed drywall: walls, gable ends, flat or vaulted ceiling, sheets and materials.Drywall for a 12x16 Shed12x16 shed drywall: walls, gables, flat or vaulted ceiling, sheets and materials.Bathroom Drywall: Which Board Goes WhereBathroom takeoff split into cement board backer and moisture resistant drywall.

By room and house size

Sheet counts for the sizes people ask about most, each with its own layout and numbers.

Drywall for a 10x12 Room10 x 12 ft room: sheets by wall height, walls only or with ceiling, with diagrams.Drywall for a 12x12 Room12 x 12 ft room: sheets by wall height, walls only or with ceiling, with diagrams.Drywall for a 20x20 Room20 x 20 ft room: sheets by wall height, walls only or with ceiling, with diagrams.Drywall for a 1,200 Sq Ft House1,200 sq ft house: board area, sheets by stories and ceiling height, finishing materials.Drywall for a 1,500 Sq Ft House1,500 sq ft house: board area, sheets by stories and ceiling height, finishing materials.Drywall for a 2,000 Sq Ft House2,000 sq ft house: board area, sheets by stories and ceiling height, finishing materials.

Home improvement

The same room engine, applied to the next trades through the door.

Paint CalculatorGallons of wall paint, ceiling paint and drywall primer from room dimensions.How Much Paint for a 12x12 Room?Paint for a 12x12 room by wall height and coats, ceiling and primer included.Insulation CalculatorBags of wall and attic batt insulation from room dimensions and bag coverage.Insulation for a 10x12 ShedBatts and bags for a 10x12 shed counted by framing bay, walls and roof.Flooring CalculatorBoxes of flooring, waste by lay pattern and baseboard length for a room.Tile CalculatorTile count and boxes from area, tile size, grout joint and waste.

Labor cost

BLS wages for drywall installers and tapers in every state.

Drywall Labor Cost by StateState-by-state table of BLS drywall wages and estimated labor cost per sq ft.

Put a calculator on your website

Contractors, suppliers and home blogs can embed any of these tools for free. Each one resizes to fit and carries a small credit link back to this site.

Drywall calculator

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Free for contractors, suppliers and bloggers. Paste this into any page that accepts HTML. The calculator resizes itself, and the credit link must stay with it.

Drywall layout planner

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Drywall mud calculator

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Drywall screw calculator

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Drywall tape calculator

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Corner bead calculator

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Free for contractors, suppliers and bloggers. Paste this into any page that accepts HTML. The calculator resizes itself, and the credit link must stay with it.

Paint calculator

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Free for contractors, suppliers and bloggers. Paste this into any page that accepts HTML. The calculator resizes itself, and the credit link must stay with it.

Insulation calculator

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Free for contractors, suppliers and bloggers. Paste this into any page that accepts HTML. The calculator resizes itself, and the credit link must stay with it.

Flooring calculator

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Free for contractors, suppliers and bloggers. Paste this into any page that accepts HTML. The calculator resizes itself, and the credit link must stay with it.

Tile calculator

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Free for contractors, suppliers and bloggers. Paste this into any page that accepts HTML. The calculator resizes itself, and the credit link must stay with it.