Home & yard DIY
Free material calculators for home & yard projects
Free, no-signup material calculators for home & yard projects — soil, drywall, mulch, gravel, concrete, and more. Get exact quantities, bag counts, and a shopping list.
Raised Bed Soil Calculator
How much soil to fill a raised garden bed — total volume, bag count, bulk cubic yards, and a Mel's-Mix breakdown.
Open →Drywall Sheet Calculator
Sheets of drywall for a room or wall, plus joint compound, tape, and screws — with a ready-to-buy materials list.
Open →Mulch Calculator
Cubic yards and bags of mulch for any bed — by area and depth, with coverage and cost.
Open →Gravel & Aggregate Calculator
Tons and cubic yards of gravel for driveways and drainage — by area, depth, and stone type.
Open →Concrete Calculator
Bags or ready-mix cubic yards for slabs, footings, and post holes — with a waste allowance.
Open →Paint Calculator
Gallons of paint for a room or wall area, for any number of coats — with a money-saving gallon + quart buy split.
Open →Planting Calendar by USDA Zone
Pick your USDA zone to see when to start seeds indoors and sow or transplant outside — tomatoes, peppers, lettuce, and more.
Open →Why YardTally
Every tool here does one job well, works without an account, and keeps your data in your browser. Instead of a single number you can't act on, each calculator gives you the exact quantity, how many bags to buy, the bulk cubic-yard figure for ordering, and the assumptions behind the math — so you buy the right amount once.