Free home improvement tools

Plan your project with accurate, easy-to-use calculators.

Estimate materials, quantities and project costs with practical tools built for homeowners and DIY projects.

Popular Calculators

Verified Formulas

Calculate volume in cubic yards, cubic feet, and premixed bags needed for concrete slabs, patios, and shed bases.

Estimate gallons of wall, ceiling, and trim paint based on room square footage.

Determine square feet and box counts for hardwood, laminate, or vinyl plank flooring with waste allowance.

Calculate roofing squares, shingle bundles, and underlayment for pitch and surface area.

Estimate fence pickets, posts, rails, and concrete footings based on total perimeter length.