Use paintable surface area, not the room's floor area.
Paint quantity and basic budget estimator
Estimate the Paint. Then Review the Work Behind It.
Calculate a planning quantity from the paintable area, coats, surface condition, texture, primer and finish level. The result shows material assumptions clearly so you can compare it with a written painting scope.
Peeling, stains, cracks and moisture need separate review.
Coats, texture, primer and paint grade affect materials.
Preparation, protection and repairs should be written down.
Planning tool
How much paint might the project need?
Enter the conditions you already know. Optional trim and door fields can refine the material allowance without turning a quick estimate into a long questionnaire.
Why the estimate changes
What should you inspect before pricing the work?
The calculator estimates materials. A painting proposal must also describe the labor and conditions the calculator cannot see.
What needs repair first?
Cracks, peeling paint, damaged drywall, stains and failed caulk can add cleaning, patching, sanding or replacement work.
What must be covered?
Occupied rooms, cabinets, flooring, landscaping and finished surfaces can change the masking and access plan.
How will each surface be reached?
High ceilings, stairwells, exterior elevations and tight rooms can require different equipment and sequencing.
Which surfaces are included?
Walls, ceilings, trim, doors, siding, fascia and specialty coatings should be listed separately in a written scope.
Compare the written scope
Why can two projects use the same gallons and cost very different amounts?
Material quantity is only one part of the work. Preparation and finish standards usually explain the largest differences between painting proposals.
A basic material estimate includes
- Paintable surface area
- Number of coats
- Primer allowance
- Texture and absorption allowance
- Paint grade range
A written contractor scope should also include
- Protection, masking and daily cleanup
- Patching, sanding, caulk and stain blocking
- Repairs and excluded concealed conditions
- Specified products, sheen and colors
- Access equipment, schedule and final review
Older painted surfaces
Before sanding or scraping a pre-1978 home
Confirm whether lead-safe practices apply.
Disturbing old painted surfaces can create hazardous dust. Review the current EPA Renovation, Repair and Painting Program requirements and use the appropriate testing, containment and cleanup practices before work begins.
Planning ranges
How long might painting take?
These are planning ranges for sequencing, not schedule guarantees. Preparation, drying conditions, access, repairs and occupied spaces can change the duration.
| Project | Typical planning range | What can extend it |
|---|---|---|
| Single room | About 1 to 3 working days | Ceiling repairs, heavy color changes, detailed trim and drying time. |
| Several interior rooms | About 3 to 8 working days | Occupied areas, furniture moves, extensive patching and multiple finishes. |
| Cabinet painting | About 5 to 12 working days | Door removal, cleaning, sanding, controlled spraying and cure time. |
| Exterior repaint | About 4 to 12 working days | Weather, access, washing, failed coating removal, wood repair and masking. |
Paint estimator FAQ
Questions homeowners ask before requesting a quote.
Should I enter room floor area or paintable wall area?
Enter the approximate square footage of the surfaces being painted. Floor area alone does not account for wall height, openings or ceilings.
Does the material range include labor?
No. It covers a planning range for paint and the selected primer allowance. Labor, equipment, repairs, tax, delivery and concealed conditions are excluded.
When should I include a full primer coat?
A full primer coat may be considered for new drywall, porous repairs, strong stains, adhesion concerns or major substrate and color changes. The selected product instructions and field condition control the final decision.
Why does texture increase the quantity?
Textured and porous surfaces have more surface area and can absorb more coating. The estimator adds a planning allowance, but a field sample is more reliable for unusual surfaces.
What should I send for a painting estimate?
Share photos, approximate dimensions, ceiling heights, surfaces to include, known damage, desired colors and whether the home will be occupied during the work.
Turn the quantity into a written scope
Request a Painting Estimate
Send photos of the rooms or elevations, approximate dimensions, the surfaces you want painted and any peeling, stains, cracks or moisture concerns. US Construction Remodeling will review the information and explain the next step.