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What would you like to improve?
Small upgrades or a bigger challenge: choose a project, see what it takes, and build your shopping list.
Painting
Start with a room: prepare the surface, estimate paint, and finish neatly.
Find your project →Drywall
Choose a small repair first, or plan full sheets when you have more experience.
Find your project →Landscaping
Refresh a garden bed or plan a lawn without taking on major earthwork.
Find your project →Fencing
Plan the boundary, measure posts and pickets, and check before digging.
Find your project →Decks
Care for a sound deck, or understand the extra skills a new deck needs.
Find your project →Tile
Plan a small dry floor, check the base, and leave wet-area work to the right expertise.
Find your project →What are you working on?
Find the right tool from 32 free project calculators.
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What could change your project budget?
Understand material costs, compare buying options, and check availability before you commit.
Explore Project Watch →Browse every calculator — including advanced projects
01 / PROJECT TOOLS
Concrete & Masonry
Concrete Slab Calculator
How much concrete you need for a slab, driveway, or patio — in cubic yards and bags.
Calculate materials Post-Hole Concrete Calculator
Bags of concrete to set fence or deck posts.
Calculate materials Brick Calculator
Brick count and mortar bags for a wall.
Calculate materials Paver Calculator
Pavers (any size), gravel base and sand for a patio or walkway.
Calculate materials Retaining Wall Calculator
Blocks (real sizes or custom), poured concrete, timber, or stone — with caps and base.
Calculate materials 02 / PROJECT TOOLS
Decks & Fences
Decking Calculator
How many deck boards and screws you need by deck size.
Calculate materials Deck Framing Calculator
Joists, beam, posts and hangers for a deck frame.
Calculate materials Fence Calculator
Posts, rails, pickets and concrete for a wood fence.
Calculate materials Deck Stain Calculator
Gallons of deck stain by deck size and coats.
Calculate materials Vapor Barrier Calculator
Rolls of 6-mil poly sheeting for under a slab, deck, or crawlspace.
Calculate materials Stair Stringer Calculator
Risers, treads, stringers and lumber for a staircase.
Calculate materials 03 / PROJECT TOOLS
Flooring
Flooring Calculator
Boxes of laminate, vinyl plank or hardwood plus underlayment.
Calculate materials Carpet Calculator
Square yards of carpet and pad for a room.
Calculate materials Tile Calculator
How much tile, grout, and thin-set a floor needs — square feet and boxes.
Calculate materials Plywood Calculator
4×8 sheets of plywood, sheathing or subfloor by area.
Calculate materials 04 / PROJECT TOOLS
Walls & Ceilings
Drywall Calculator
How many drywall sheets, mud, and tape a room needs — walls and ceiling.
Calculate materials Insulation Calculator
Bags of fiberglass batts by area and R-value.
Calculate materials Wall Framing Calculator
Studs, plates and headers for a framed wall.
Calculate materials Paint Calculator
How much interior paint you need by room size and number of coats.
Calculate materials Wallpaper Calculator
Double rolls of wallpaper for a room.
Calculate materials Baseboard Calculator
Linear feet and pieces of baseboard trim for a room.
Calculate materials Crown Molding Calculator
Linear feet and pieces of crown molding for a room.
Calculate materials 05 / PROJECT TOOLS
Roof & Siding
Roofing Calculator
Shingle bundles for a simple roof. Use footprint dimensions including overhangs and a pitch of at least 2/12; complex roofs need separate sections.
Calculate materials Roof Framing Calculator
Rafters, ridge and ties for a gable roof.
Calculate materials Siding Calculator
Squares of vinyl siding and house wrap for a home.
Calculate materials Exterior Paint Calculator
Gallons of exterior paint for a house by size and coats.
Calculate materials 06 / PROJECT TOOLS
Yard & Landscaping
Mulch Calculator
How much mulch you need by bed size and depth — bags or bulk cubic yards.
Calculate materials Topsoil Calculator
How much topsoil you need by area and depth — bags or bulk cubic yards.
Calculate materials Gravel Calculator
How much gravel you need for a driveway, path, or base — in tons and cubic yards.
Calculate materials Sod Calculator
How much sod you need for a lawn — square feet, pallets, and cost.
Calculate materials Grass Seed Calculator
Choose seed for your climate and sun, calculate bags and optional cover products, then build the complete lawn plan.
Calculate materials Excavation Calculator
Cubic yards of dirt to dig and haul, plus truckloads.
Calculate materials FROM ONE NUMBER TO A WHOLE PROJECT
Browse project guides →Open My Projects →Got a bigger weekend in mind?
Follow a project guide, combine your materials, and take a shopping list to the supplier.
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