How Much Exterior Paint Do I Need For A 1000 Square Foot House?

On February 25, 2026  By newsroom   Topic: India Home Advice

Calculating the amount of exterior paint needed for a 1,000 square foot house involves several factors, including the number of coats, surface texture, and paint quality. Here's a general guideline to help you estimate:

  • Determine Paint Coverage
  • On average, one gallon of exterior paint covers approximately 250 to 400 square feet per coat.

  • Calculate Total Coverage Needed

  • For a 1,000 square foot house:

    • Assuming two coats for optimal coverage:
    • Total Area to Paint: 1,000 sq ft × 2 coats = 2,000 sq ft
  • Estimate Gallons of Paint Required

  • Using the average coverage rate:
    • Total Gallons Needed: 2,000 sq ft ÷ 350 sq ft/gallon 5.7 gallons
  • It's advisable to round up and purchase 6 gallons to ensure adequate coverage.

  • Consider Additional Factors

  • Surface Texture: Rough or porous surfaces may absorb more paint, potentially increasing the amount needed.
  • Trim and Doors: Don't forget to account for paint needed for trim, doors, and other architectural features, which may require additional paint.

For a more precise estimate, you can use online paint calculators provided by paint manufacturers, such as the BEHR Paint Calculator.

Note: Always consult with a professional or refer to the specific paint manufacturer's guidelines for the most accurate estimations.


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