Home Improvement Calculators
Plan materials and budgets for common home projects. Every tool runs in your browser, shows its formula, and includes a waste allowance so your estimate reflects real-world shopping.
Paint Calculator
Estimate gallons of paint, primer, waste, and project cost.
Home ImprovementConcrete Calculator
Cubic yards, bags, and cost for slabs, footings, and post holes.
Home ImprovementMulch Calculator
Cubic yards and bags of mulch for garden beds.
Home ImprovementGravel Calculator
Volume, tons, and cost for driveways and paths.
Home ImprovementTile Calculator
Tiles and boxes needed including grout and waste.
Home ImprovementFlooring Calculator
Packages and cost for one or more rooms.
Home ImprovementDrywall Calculator
Sheets, compound, tape, and screws.
Home ImprovementFence Calculator
Posts, panels, rails, and concrete for a fence.
Home ImprovementRoofing Calculator
Squares, bundles, and underlayment.
Home ImprovementDeck Material Calculator
Boards, joists, and fasteners for planning.
Getting accurate home improvement estimates
Material estimates start with good measurements. Measure each dimension at its longest and widest points, note the height of walls or the depth of a bed, and account for doors, windows, and obstacles. Small errors compound across a large surface, so it is worth measuring twice.
Coverage figures vary by product. Paint spread, bag yields, and package coverage differ between brands and even between colors, so use the numbers printed on what you are actually buying. Each EasyBuildTools calculator lets you enter these values directly rather than assuming a single fixed figure.
Finally, plan for waste. Cuts, breakage, and uneven surfaces mean you rarely use exactly the calculated amount. A modest allowance — often 5 to 15% — keeps you from running short at an awkward moment. For structural work, treat the figures as a starting point and confirm with local building codes.
Not sure where to start? The Paint Calculator is our most complete reference, and the Concrete Calculator pairs naturally with the Gravel Calculator for groundwork projects.