INTERIOR PAINTING COST CALCULATOR
Get an instant cost estimate for your next interior painting project. Enter room dimensions, choose your paint quality, and see a full breakdown of materials, labor, and total cost.
INTERIOR PAINTING COST CALCULATOR
Pre-filled with 3 rooms. Adjust dimensions, paint quality, and labor rate below.
ROOMS (3)
PROJECT OPTIONS
ESTIMATED TOTAL
$1,727
$1.58 per sq ft · 1,090 sq ft total
$453
$1,274
YOUR ESTIMATE VS INDUSTRY AVERAGE
Below Average
Your estimate is below the national average. Double-check that labor rates and prep work are realistic for your area.
Your Cost/sqft
$1.58
National Avg
$3.75
WHAT IS AN INTERIOR PAINTING COST CALCULATOR?
An interior painting cost calculator estimates the total price of painting rooms inside your home or commercial space. It accounts for room dimensions, number of doors and windows (which reduce paintable area), paint quality, number of coats, labor rates, and prep work to produce a realistic cost breakdown — split between materials and labor.
Whether you're a homeowner budgeting a repaint or a painting contractor building estimates, this calculator gives you a data-driven starting point backed by 2026 industry pricing.
HOW TO USE THIS CALCULATOR
Add your rooms
Enter the length, width, and ceiling height for each room. Include door and window counts — the calculator subtracts these from paintable area.
Choose paint quality
Economy paint runs ~$25/gallon while ultra-premium can hit $90/gallon. Mid-grade ($45/gal) is the industry standard for most residential work.
Set your labor rate
Professional painters charge $35–$75/hour depending on region and experience. The national average is around $50/hour.
Review your estimate
See a full breakdown of material costs, labor costs, and your cost per square foot compared to the national average.
2026 INTERIOR PAINTING COST BENCHMARKS
According to industry data, interior painting costs range from $2.00 – $6.00 per sq ft in 2026 depending on scope. Here's a quick reference:
| SCOPE | LOW | AVERAGE | HIGH |
|---|---|---|---|
| Walls only | $1.50 | $2.75 | $4.00 |
| Walls + ceiling | $2.50 | $3.75 | $5.00 |
| Walls + ceiling + trim | $3.00 | $4.70 | $6.75 |
| Full interior (avg home) | $1,500 | $3,500 | $6,500 |
Costs vary by region, paint brand, and prep complexity. Learn more in our complete guide to house painting costs.
TIPS TO REDUCE INTERIOR PAINTING COSTS
DIY the prep work
Moving furniture, taping edges, and filling nail holes yourself can save 15-25% on labor. See our guide on how to paint a room.
Choose the right sheen
Eggshell and satin finishes hide imperfections better than semi-gloss, reducing the need for extensive wall prep.
Buy paint + primer in one
Self-priming paints eliminate a separate primer coat, saving $25-$35 per gallon and cutting labor hours.
Don't skip prep
Skipping patching and sanding leads to poor adhesion, peeling, and repainting sooner. Prep saves money long-term.
RELATED TOOLS & GUIDES
Paint Calculator
Calculate how many gallons of paint you need for any room.
Cost to Paint a House (2026)
Complete guide to interior and exterior painting costs.
Cost to Paint a Room
Per-room cost breakdown with real contractor data.
Painting Estimate Template
Professional estimate form for painting contractors.
How to Price Painting Jobs
Pricing strategies and production rates for painters.