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Free Paint Calculator - Instantly Estimate Paint Needs
Instantly estimate the amount of paint you need for your walls, ceilings, or project. Includes expert tips, formulas, and answers to common questions.
Paint Calculator
Enter your area, number of coats, and coverage to calculate gallons needed.
How to Use the Paint Calculator
Step-by-step guide to accurately calculate paint needs for any project.
- Measure Area: Measure the total wall or ceiling area in square feet.
- Decide on Coats: Choose the number of coats you plan to apply (usually 2).
- Check Coverage: Check your paint can for coverage per gallon (typically 350 sq ft).
- Enter Values: Input the area, coats, and coverage into the calculator.
- Calculate: Click Calculate to see the gallons of paint needed.
Formula: (Area × Coats) ÷ Coverage per Gallon = Gallons Needed
Quick Paint Answers
Voice search and featured snippet optimized answers
How do I calculate how much paint I need?
Multiply area × coats, then divide by coverage per gallon.
What is the formula for paint coverage?
Gallons Needed = (Area × Coats) ÷ Coverage per Gallon
How much does 1 gallon of paint cover?
1 gallon covers about 350 sq ft with one coat.
How many coats of paint are recommended?
2 coats are standard for most projects.
Paint Tips
- Buy a little extra paint for touch-ups and color matching.
- Primer can reduce the number of coats needed.
- Use high-quality brushes and rollers for best results.
- Calculate doors and windows separately if needed.
Frequently Asked Questions
How do I measure wall area?
Multiply wall height by wall width for each wall, then add together.
How much paint do I need for ceilings?
Measure ceiling length × width, then use the calculator as for walls.
What if I use a different coverage per gallon?
Enter your specific coverage value from the paint can label.