Home project & material calculators
Turn room and yard measurements into the exact quantities and estimated cost of materials — with sensible waste factors so you buy once.
Most material over- and under-buys come from skipping a waste factor or mismeasuring area. Start with Square Footage, then pick the material tool you need below. Each one adds a realistic waste allowance and an estimated cost so your shopping list and budget match the job.
Common decisions
- How much paint / flooring / tile / drywall? → the matching material tool
- How much concrete or gravel? → Concrete, Gravel
- How much sod, mulch, or grass seed? → Sod, Mulch & Soil, Grass Seed
- How big is the surface? → Square Footage
Calculators in this guide
Paint Calculator
paint calculator.
Concrete Calculator
concrete calculator.
Flooring Calculator
flooring calculator.
Tile Calculator
tile calculator.
Drywall Calculator
drywall calculator.
Insulation Calculator
insulation calculator.
Roofing Cost Calculator
roofing cost calculator.
Deck Cost Calculator
deck cost calculator.
Gravel Calculator
gravel calculator.
Mulch & Soil Calculator
mulch and soil calculator.
Sod Calculator
sod calculator.
Grass Seed Calculator
grass seed calculator.
Wallpaper Calculator
wallpaper calculator.
Board Foot Calculator
board foot calculator for woodworkers.
Square Footage Calculator
square footage calculator.
More calculator guides
Manufacturing & cost calculators
Small-business & profitability calculators
Contractor & job-cost calculators
Mortgage & real-estate calculators
Ecommerce seller calculators
State tax calculators
Estimates for general guidance, not professional advice. See how we calculate & review.