Paint Calculator

Paint Calculator — Estimate Wall Area, Paint Quantity, Coats & Total Cost

Paint smarter, not harder. Paint Calculator is a fast, offline estimating tool for painters, contractors, decorators, and DIY homeowners. Enter room dimensions, wall height, doors and windows — get instant paint quantity in liters or gallons, number of coats, primer, and total material cost. Stop guessing how much paint to buy and start painting with confidence.

KEY FEATURES

ROOM & WALL AREA CALCULATION
Calculate paintable wall and ceiling area from room length, width, and height. Automatically subtract doors and windows. Supports rectangular, L-shaped, and irregular rooms. Works in feet/inches or metric units.

PAINT QUANTITY & COATS
Get exact paint quantity needed in liters or gallons based on coverage per liter, number of coats (1, 2, or 3), and surface type. Includes primer calculation and waste factor customization for textured or porous surfaces.

COST & LABOR ESTIMATE
Enter price per liter or gallon, plus labor cost per square meter or per project. See material cost, labor cost, and total project cost separately. Long labels display cleanly, and values are sized to fit large numbers without truncation.

CALCULATE & CLEAR BUTTONS
Enter your values, tap Calculate to see results, and use Clear to reset. Clean, simple interface designed for job site use.

INTERACTIVE ROOM VISUALIZER
Visualize your room and wall area as you adjust dimensions. Verify measurements before buying paint.

HISTORY & EXPORT
Save calculations to History. Search and filter your list. Share text summaries, export PDF reports in your selected app language, and delete entries with individual confirmation.

SETTINGS
Switch units, currency (USD, CAD, EUR, CHF, FCFA, GBP, and more), language (EN, FR, ES, AR, ZH), and theme mode (System / Light / Dark — Dark is default). About Us, privacy policy, terms, and contact links included.

BUILT FOR THE JOB SITE
• Works offline — no internet required for calculations
• No sign-up required — start calculating immediately
• Responsive layout for phones and tablets
• Dark mode by default with high-contrast text for low-light conditions
• Clean, readable UI with clear borders for outdoor use

WHO IS IT FOR?
Painters, painting contractors, decorators, interior designers, real estate professionals, property managers, and DIY homeowners planning interior or exterior painting projects.

WHY CHOOSE THIS APP?
Accurate wall area and paint quantity estimates, fast coat and primer calculations, transparent material and labor costing, multilingual PDF reports, and a clean interface that handles long numbers and multiple units.

ABOUT KOCHI DIGITAL
Kochi Digital builds minimalist, high-performance construction and real estate calculators. Explore more at kochidigital.com.

Official website: https://kochidigital.com/apps/paintcalculator/
Construction calculators: https://volumesolver.com/construction-calculators/

Download Paint Calculator now and get a reliable estimate — wall area, paint liters, coats, primer, labor, and total cost — before you buy paint.