Material calculators for home projects
Calculate how much material you need
Enter your project measurements to estimate the material you need. Add extra for waste and see full-package quantities when product details are provided.
All calculators
Choose a material
Concrete
Estimate the concrete needed for slabs, footings, and post holes, shown in cubic yards, cubic meters, or bags.
02Gravel
Estimate gravel volume for a rectangular area and, when density is provided, its approximate weight.
03Mulch
Estimate how much mulch you need for a garden bed or rectangular landscaped area, including any extra you choose for waste.
04Soil
Estimate the soil volume needed for rectangular garden beds and raised beds.
05Paint
Estimate how much paint you need from wall dimensions, doors and windows, number of coats, and coverage per gallon.
06Tile
Estimate tile coverage for an area, then calculate tiles or full boxes from the product details you enter.
07Flooring
Estimate the flooring area and full packages needed for a room, including extra material for cuts and waste.
08Wallpaper
Estimate wallpaper rolls from wall dimensions, roll size, and pattern repeat.
How the calculators work
Clear calculations
Each calculator explains the formula, conversions, and assumptions behind its estimate.
US and metric units
Choose the measurement system that fits your project.
Practical quantities
Where relevant, account for waste and see quantities rounded up to whole packages.