Paint Calculator & Estimator

Never buy too much (or too little) paint again.

PaintCalc is the smart paint calculator for homeowners, DIY painters, and professional contractors. Enter your room dimensions, select your paint type, and get an exact quantity — rounded to the nearest purchasable size with a 10% touch-up buffer.

QUICK CALCULATE

Know your wall area? Enter it directly and get your paint quantity in seconds. Perfect for quick estimates at the paint store.

ROOM-BY-ROOM PRECISION

- Enter room dimensions (length x width x height) or perimeter

- Automatically deduct doors and windows with simple +/- counters

- Choose from 6 paint types and 6 surface types

- Select 1-3 coats for accurate coverage

- Coverage rates based on manufacturer specifications

MULTI-ROOM PROJECTS (Premium)

- Add unlimited rooms to a project

- Each room has independent paint type, surface, and coats

- Project summary shows total paint needed across all rooms

- Name your projects for easy organization

CEILING & TRIM CALCULATORS (Premium)

- Toggle ceiling painting on/off with separate paint type

- Add baseboard/trim with linear footage and width

- Separate paint calculations for each surface

COST ESTIMATOR (Premium)

- Enter paint price per gallon or liter

- Add labor costs (hourly rate x hours)

- Add supply costs (tape, rollers, brushes)

- Full project cost breakdown

SHOPPING LIST (Premium)

- Consolidated list grouped by paint type

- Quantities rounded to nearest purchasable size

- Check items off as you shop

- Share via text or email

SMART FEATURES

- Imperial (feet/gallons) or Metric (meters/liters) units

- 10% touch-up buffer automatically included

- Clear purchase recommendations

- Purchase breakdown (e.g., "1x 5-gallon + 2x gallon")

- Light and dark mode

- Clean, professional interface

PREMIUM UNLOCK

- Multi-room projects

- Cost estimator

- Shopping list with sharing

- Ceiling & trim calculators

- No ads

Free version includes full single-room calculator with all paint types, surfaces, and coverage calculations.

WHY PAINTCALC?

Other paint calculators only handle single rooms with no deductions. PaintCalc gives you professional-grade calculations with door/window deductions, multiple paint types, surface-specific coverage rates, and a consolidated shopping list. Perfect for:

- Weekend DIY painters

- Professional contractors estimating jobs

- Real estate flippers budgeting renovations

- Anyone tired of buying too much paint

Download PaintCalc today and paint with confidence.