The complete tool directory

Plan the material before you start the project.

Find a calculator by material or project area. Every tool explains its assumptions, supports US and metric units, and rounds purchases the way materials are actually sold.

7 live calculators4 active project areas02 unit systems

Browse by project

Tools that belong together stay together.

Project hubs connect related calculators and explain the measurements they share. New tools will appear here automatically when they are published in the catalog.

02 live tools

Painting

Plan wall and ceiling coverage, coats, waste, purchase quantities, and paint cost.

Explore painting planning

Paint CalculatorEstimate wall paint, coats, waste, and the whole gallons or liters to buy.Ceiling Paint CalculatorEstimate ceiling coverage, coats, overhead waste, and whole-container cost.

02 live tools

Flooring

Estimate floor area, tile counts, packaging, waste, and material cost.

Explore flooring planning

Flooring CalculatorTurn room area and product coverage into full boxes and an estimated material cost.Tile CalculatorCalculate individual tiles, full boxes, waste allowance, and purchase cost.

02 live tools

Walls

Plan drywall, wallpaper, insulation, openings, and finish materials for interior walls.

Explore walls planning

Drywall CalculatorEstimate sheets for walls, ceilings, and openings with waste and full-sheet pricing.Wallpaper CalculatorPlan strips and rolls while accounting for openings, pattern repeat, and waste.

01 live tool

Trim

Estimate linear runs, full pieces, cut waste, and cost for interior finish trim.

Explore trim planning

Baseboard CalculatorConvert room perimeter into linear length, full trim pieces, waste, and cost.

Growing deliberately

Next project areas

Construction, outdoor, and roofing hubs will become public when their first tested calculator is ready. This keeps the directory useful and avoids empty category pages.

Construction · Concrete CalculatorOutdoor · Mulch CalculatorRoofing · Roofing Calculator