Red to White Paint Calculator
Red is one of the hardest paint colors to cover. Red pigments are notoriously persistent and bleed through standard paint and primer. Painting red walls white requires a specialized approach: high-hide primer and 3 coats of paint for clean, complete coverage.
Why This Matters
Red pigments are among the most difficult to cover because they are highly concentrated and tend to bleed through regular paint and even standard primers. A shellac-based or high-hide primer is essential to block the red from showing through. After priming, 3 coats of white paint ensures a clean, even finish with no pink bleed-through.
Pre-Calculated Paint Estimate
Low
2.3
gal
Likely
2.6
gal
High
3.0
gal
Primer Needed
2
gallons
This range covers 301 square feet with 3 coats. The likely estimate is 2.26 gallons before the selected buffer. If you are buying whole gallons, plan on 3.
Flat or eggshell finish recommended for bedrooms. Low-VOC paint is ideal for better air quality.
View Detailed Breakdown
Based on a 12x10 ft room with 8-ft ceilings, 1 door(s), and 2 window(s). Paint at 400 sq ft/gallon with a 15% buffer.
See the formula and assumptions
Supplies for this room
Picked from the inputs above. Links go to Amazon and we may earn a commission at no extra cost to you. Details
- High-hide primer High-hide primer cuts the number of finish coats on a strong color change. View primer ›
- Interior wall paint You need about 3 gallon(s) of wall paint. Browse paint ›
- 9-inch roller kit with tray A 9-inch roller kit with a tray covers walls quickly. View roller kits ›
- Painter's tape Tape off trim and ceilings for sharp edges. View tape ›
Rather not do it yourself?
Compare quotes from local painters. Bring your gallon estimate so the bids line up.
Tips for This Room
- Use shellac-based or high-hide primer - standard primer will not fully block red pigments.
- Apply 2 coats of primer if the red is particularly vibrant or saturated.
- Plan for 3 coats of white paint after primer for a clean, bleed-free finish.
- Do not rush between coats - let each coat dry fully to assess coverage before adding the next.
Ready to Start Your Project?
Everything you need to get professional results.
High-Hide Primer
Stain-blocking primer for dramatic color changes. Ensures even coverage and true color.
Shop PrimerPremium Paint
Top-rated interior paints with excellent coverage for color transitions.
Browse PaintPaint Supplies
Quality rollers, brushes, tape, and drop cloths for a professional finish.
Shop SuppliesProduct links go to Amazon.com
Frequently Asked Questions
How many coats to cover red paint with white?
Covering red walls with white requires 1-2 coats of high-hide primer plus 3 coats of white paint. Red is one of the hardest colors to cover. Shellac-based primer works best for blocking red pigments from bleeding through.
Why is red paint so hard to cover?
Red paint uses highly concentrated pigments that are chemically resistant to being covered. These pigments dissolve into wet paint and primer, causing pink bleed-through. Only shellac-based or specialized high-hide primers can fully block red pigments.
How much paint do I need to cover red walls?
Budget about 75% more paint than a standard repaint. You will need primer plus 3 coats of paint. For a 12x12 room, plan on 4-5 gallons of paint plus 1-2 gallons of primer. Red-to-white is the most paint-intensive color change.
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