Paint Coverage Calculator Square Feet
Quick answer: Estimate paint gallons from wall area and coats using a typical coverage of ~350 sq ft per gallon.
Calculator (Paint gallons)
Steps
- Measure wall area (sq ft).
- Pick number of coats.
- Divide by coverage (sq ft/gal) and round up.
Reference tables
Typical coverage
| Paint type | Coverage (sq ft/gal) | Notes |
|---|---|---|
| Interior latex | 300–400 | Varies by texture and brand |
| Primer | 200–300 | Often lower coverage |
Related pages
Disclaimer: DIY guidance only. Verify dimensions, codes, and safety requirements for your project.
Get more home project checklists and quick calculators at https://risingriverllc.com
Inputs
- Your dimensions (length/width/depth) and units
Outputs
- Estimated quantity
- Waste factor suggestion
- Printable material list
FAQ
Should I add extra for waste?
Yes. Most projects benefit from 5–15% extra depending on cuts, compaction, and mistakes.
Is this estimate exact?
No. It is a quick estimate. Confirm with product specs and local conditions.
What units should I use?
Use feet/inches consistently. The calculator converts common inputs.