Home & DIY Calculators

Plan your next home improvement project with precision. Estimate materials, costs, and quantities before you buy.

Paint Calculator

Calculate how much paint you need for walls, ceilings, or trim — accounting for coats, doors, and windows.

Figure out how many tiles you need for floors or walls, including a waste allowance for cuts and breakage.

Estimate the number of flooring boxes you need for laminate, vinyl plank, or engineered hardwood.

Calculate the volume of concrete for slabs, footings, columns, or steps — in bags or cubic meters.

Estimate the volume of mulch or soil needed for garden beds, landscaping, and raised planters.

Calculate the amount of gravel, crushed stone, or aggregate for driveways, paths, and drainage projects.

Find out how many rolls of wallpaper you need based on your wall dimensions and roll size.

Estimate how many deck boards, screws, and fasteners you need for your new deck or replacement project.

Calculate the number of drywall sheets, screws, and joint compound needed for walls and ceilings.

Determine the right BTU rating and air conditioner size for your room based on area, insulation, and climate.

Estimate the number of fence posts, panels, rails, and concrete needed for your fencing project.

Calculate how many rolls or pallets of sod you need to cover your lawn or repair bare patches.