Inputs

Project Setup

Room Dimensions

feet

Room length measurement

feet

Room width measurement

feet

Wall height measurement

Openings to Subtract

Standard door: 20 sq ft

Standard window: 12 sq ft

sq ft

Fireplace, built-ins, etc.

Paint Specifications

Usually 2 coats for best coverage

Coverage & Cost

sq ft/gal

Check paint can for coverage rate

sq ft/gal

Usually similar to paint coverage

$

Price per gallon of paint

$

Price per gallon of primer

Results

Paint Needed

2 gallons

332.0 sq ft

Total Cost

$133.75

Total Paint & Primer

3 gallons 1 quarts

Area Breakdown

Wall Area396.0 sq ft
Doors & Windows-64.0 sq ft
Paintable Area332.0 sq ft

Cost Breakdown

Paint Cost (2 gallons)$90.00
Primer Cost (1 gallons 1 quarts)$43.75

💡 Recommendations

Consider buying 10% extra paint for touch-ups and future repairs

Coverage: 375 sq ft/gal(Eggshell finish)

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Guide

How to Use This Calculator

  1. Measure room length, width, and height
  2. Count doors and windows
  3. Select paint type and coverage
  4. Choose number of coats needed
  5. Review paint quantities required

Painting Tips

  • • Buy 10% extra paint for touch-ups
  • • Primer may be needed for color changes
  • • Different surfaces may need different coverage
  • • Consider paint quality for better coverage