5 free tools
Home & Renovation calculators
Explore home & renovation tools with adjustable inputs, formulas, assumptions and worked examples. Choose a calculator below to see its method and limits.
Paint Calculator
Calculate gallons of paint needed for any room based on dimensions.
Open calculator →Square Footage Calculator
Calculate square footage, perimeter, and square meters for any room.
Open calculator →Flooring Calculator
Calculate boxes and cost of hardwood, laminate, or tile flooring.
Open calculator →Drywall Calculator
Calculate sheets of drywall needed for a renovation project.
Open calculator →Deck Cost Estimator
Estimate material and labor cost to build a deck.
Open calculator →