PROJECTMETER
Homeowner preparing a room for a paint project
HOME PROJECT PLANNING

Plan the project.
Buy the right amount.

Accurate material lists, editable assumptions and practical cost checks for the work in front of you.

Choose a calculatorHow our estimates work →

Free to use•US & metric•No account required

LIVE STARTER ESTIMATE

Paint Calculator

US units

Start with one room. Add openings, coats and your paint price in the full planner.

Estimated purchase3 gallons450 sq ft net wall area
Continue to full paint plan →

What are you working on?

Choose a material to open a planning calculator.

PaintWalls, ceilings & trimConcreteSlabs, footings & bagsFlooringBoards, boxes & wasteTileTile, grout & layoutDrywallSheets, ceilings & wasteMulchBeds, depth & bulk volumeGravelPaths, drives & compacted depthFencePanels, posts & spacingRoofingPitch, squares & shingle bundlesWallpaperWalls, openings & pattern wasteDeckingBoards, spacing & stock lengthsBrickWalls, openings & modular unitsSidingWall squares, openings & wastePaversPatios, unit size & base layersRoom ACBTU capacity, sun & occupants

A better way to plan and buy

  1. 01Measure

    Enter the project dimensions directly.

  2. 02Estimate

    See quantities, waste and real pack sizes.

  3. 03Shop

    Print one practical project list.

BUILT FOR REAL PROJECTS

Useful before the first store run.

Clear inputs, editable assumptions and purchasable package quantities help you plan without false precision.

  • Material and cost estimates
  • Waste, coverage and yield built in
  • US and Metric measurements
  • Save, share and print project lists
Read our methodology →
PROJECT LISTRoom refresh

2 paint cans

1 primer can

1 verified estimate

Open calculator →
COST GUIDES

Know what changes the quote.

Separate materials, labour, preparation and complexity before comparing a professional estimate.

Read the paint cost guide
Cost to paint a roomUS planning range: $200–$2,000

Transparent methodologyFormulas, assumptions and examples are shown—not hidden.

Safety firstPlanning guidance never replaces product instructions, code or a qualified professional.