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Paint Calculator

Calculate the amount of paint you need. Estimate gallons and cost based on room dimensions and coats.

About Paint and Painting

Tips for successful painting

Calculating the right amount of paint saves both money and time. General rule: 1 gallon of paint covers 350-400 sq ft. Painting Tips: • Clean and sand walls • Use primer (especially for dark colors) • Use quality brushes and rollers • Apply two coats • Paint corners and edges first • Move roller in W pattern Paint Types: • Flat/Matte: Hides imperfections, hard to clean • Eggshell/Satin: Medium sheen, good durability • Semi-Gloss: Ideal for kitchen and bathroom • Gloss: Most durable, easy to clean Cost: $25-$70 per gallon. Quality paint provides better coverage, requires fewer coats. Time: Painting a medium room (12x12 ft) takes 4-6 hours (including prep).

Frequently Asked Questions

Find answers to common questions

1 gallon of paint typically covers 350-400 sq ft (approximately 32-37 m²). However, this depends on surface roughness, paint type, and painting technique. Porous surfaces (drywall, wood) absorb more paint. Always buy 10% extra for touch-ups.

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