If you’re painting your home, garage, or office, you may be wondering: how many square feet will 5 gallons of paint cover?
The answer depends on the type of paint and the surface being painted, but in most cases:
Five gallons of paint will cover approximately 1,750 to 2,000 square feet with one coat.
Most standard interior and exterior paints cover:
- 350โ400 square feet per gallon
In this guide, you’ll learn how to estimate paint coverage and calculate how much paint you need.
Quick Answer: Paint Coverage for 5 Gallons
The average paint coverage is:
- 1 gallon = 350โ400 square feet
For 5 gallons:
- 5 ร 350 = 1,750 square feet
- 5 ร 400 = 2,000 square feet
Therefore:
Five gallons of paint typically covers between 1,750 and 2,000 square feet.
Paint Coverage Formula
To estimate coverage, use this formula:
Square Feet Covered = Number of Gallons ร Coverage per Gallon
For example:
- 5 gallons ร 400 square feet
Calculation:
5 ร 400 = 2,000 square feet
Paint Coverage Chart
| Paint Amount | Approximate Coverage |
|---|---|
| 1 gallon | 350โ400 sq ft |
| 2 gallons | 700โ800 sq ft |
| 3 gallons | 1,050โ1,200 sq ft |
| 5 gallons | 1,750โ2,000 sq ft |
| 10 gallons | 3,500โ4,000 sq ft |
How Many Rooms Can 5 Gallons Paint?
Five gallons of paint can usually cover:
- 4โ6 average bedrooms.
- A large living room and hallway.
- The interior walls of a small apartment.
- A garage or basement.
The number of rooms depends on ceiling height and wall size.
One Coat vs. Two Coats
Keep in mind that most painting projects require two coats.
One Coat
- Covers 1,750โ2,000 square feet.
Two Coats
- Covers 875โ1,000 square feet.
If you’re painting over a dark color, you may need additional paint.
Factors That Affect Paint Coverage
Several factors can change how much area 5 gallons will cover:
- Wall texture.
- Paint quality.
- Number of coats.
- Surface condition.
- Primer usage.
- Roller type.
Rough surfaces absorb more paint than smooth walls.
Interior vs. Exterior Paint Coverage
| Paint Type | Coverage per Gallon |
| Interior paint | 350โ400 sq ft |
| Exterior paint | 250โ400 sq ft |
Exterior surfaces often require more paint because they are rougher.
Example Paint Project
Suppose you are painting a room with:
- Four walls.
- Total wall area: 1,800 square feet.
Five gallons of paint would be enough for:
- One full coat.
For two coats, you would likely need additional paint.
How to Calculate Your Wall Area
Measure:
- Length of each wall.
- Height of the walls.
Then multiply:
For example:
- Wall length: 20 feet.
- Wall height: 8 feet.
Calculation:
20 ร 8 = 160 square feet
Add all wall areas together to estimate your paint needs.
FAQs
How many square feet will 5 gallons of paint cover?
Five gallons of paint usually covers 1,750โ2,000 square feet with one coat.
How much does one gallon of paint cover?
One gallon typically covers 350โ400 square feet.
Is 5 gallons enough to paint a house?
It may be enough for a small home or apartment, depending on the number of coats required.
Does textured wall paint cover less area?
Yes. Textured walls absorb more paint and reduce coverage.
How much area will 5 gallons cover with two coats?
Five gallons will cover approximately 875โ1,000 square feet with two coats.
Does exterior paint cover the same amount?
Not always. Exterior paint often covers less area.
Should I buy extra paint?
Yes. Most painters recommend buying an extra 5โ10% for touch-ups.
Quick Facts
- 5 gallons of paint covers 1,750โ2,000 square feet.
- One gallon covers about 350โ400 square feet.
- Two coats cut coverage roughly in half.
- Rough surfaces require more paint.
- Always buy extra paint for future repairs.
Final Thoughts
In most cases, 5 gallons of paint will cover between 1,750 and 2,000 square feet with one coat.
Before starting your project, measure your walls carefully and consider the number of coats, surface texture, and paint type to ensure you buy the right amount.

