Home Project Calculators
Plan your next project with simple calculators for materials, quantities, waste and estimated costs. Choose a calculator below to get started.
Choose Your Calculator
Pick the material or project type you are working with. Each tool gives you a focused estimate for planning and purchasing.
Paint Calculator
Estimate paint for walls and ceilings in US or metric units. Enter room dimensions, coats, doors, windows and coverage to calculate gallons or liters.
Tile Calculator
Calculate how many tiles and boxes you need in US or metric units. Enter project size, tile dimensions and waste allowance for floors, walls and more.
Flooring Calculator
Calculate flooring area, waste, boxes and material cost in US or metric units. Enter room size, package coverage, price and your preferred currency.
Concrete Calculator
Calculate concrete volume, bag quantities and material cost in US or metric units. Enter slab dimensions, waste, bag yield, price and currency.
Drywall Calculator
Estimate how many drywall sheets you need for walls and ceilings. Enter room dimensions, openings, panel size and waste using US or metric units.
Grout Calculator
Estimate how much grout you need using tile size, joint width, depth and project area. Calculate grout weight, packages and optional cost in US or metric units.
Paver Calculator
Calculate how many pavers you need for a patio or walkway. Enter project size, paver dimensions and waste, with optional pallet quantity and cost.
More Calculators Coming Soon
We’re expanding HomeBuild Metrics with more practical tools for roofing, decking, landscaping, room measurements and other common home projects.
Not sure which calculator to use?
Choose the calculator that matches the material you are buying. Paint covers walls and ceilings, tile and flooring tools calculate surface coverage and package quantities, while the concrete calculator estimates project volume and bags.