Interior Painting Cost Calculator: 2026 US Prices per Room
Painting an interior room costs $350-$1,100 in 2026 depending on ceiling height, coats, and paint tier. This guide gives you real 2026 US prices per room and per square foot — with a calculator that includes trim, ceilings, and regional labor.
Part of these guide hubs
Interior painting is the highest-ROI cosmetic upgrade in a US home in 2026 — but pricing is inconsistent because contractors bid it three different ways: per room, per square foot of wall, or as a whole-house flat rate. Understanding the underlying math protects you from over- and under-paying.
2026 Interior Painting Cost per Room
- Bedroom (10x12, 8-ft ceiling): $350-$650
- Living room (14x18, 9-ft ceiling): $650-$1,100
- Kitchen (walls only): $400-$800
- Bathroom (small): $200-$450
- Whole 2,000 sq ft home (walls, ceilings, trim): $4,500-$9,500
The Formula
Total = Gallons × Paint rate + Wall sq ft × Labor rate × Regional index + Trim labor
What Actually Drives Interior Paint Cost
- Ceiling height — going from 8 ft to 10 ft adds ~25% labor.
- Coats — dark-to-light color changes need 2-3 coats; count them.
- Paint quality — premium ($55-$80/gal) covers in fewer coats, often net-cheaper.
- Trim, doors, windows — trim work adds 25-40% to a room's labor bid.
- Prep — patching, sanding, and priming can be a third of the total.
Paint Tier Guide (2026 US Retail)
- Basic contractor-grade: $28-$35/gal — fine for closets and rentals
- Mid-grade acrylic: $42-$52/gal — solid whole-home default
- Premium low-VOC (Sherwin Emerald, BM Aura): $58-$78/gal
- Designer / zero-VOC (Farrow & Ball, Portola): $85-$130/gal
Get a room-by-room estimate in seconds.
Open the Interior Painting Cost CalculatorWritten by Javed Niamat
Javed Niamat is a home renovation cost analyst and the founder of RenoCalc Hub. He tracks US remodeling labor rates, material pricing and contractor bids across all 50 states, and builds the free calculators behind every guide on this site.
More about the author →Ready to run the numbers?
Try the free calculators on the home page — no signup, no email.
Open Calculators