Contractor ToolCoverage & Cost Estimation

Paint Gallon & Dupe Savings Calculator

Planning to paint a room or your whole house? Enter your room dimensions to calculate the exact number of gallons needed and see how hundreds of dollars stay in your pocket by choosing a verified dupe.

📐 1. Room Dimensions

Room Length (ft)

Room Width (ft)

Ceiling Height (ft)

Deductions (Doors & Windows)

Doors (21 sq ft)

Windows (15 sq ft)

Coats of Paint

Choose Brand Tier Comparison

Farrow & Ball vs Behr$145/gal vs $48/gal (Save $97/gal)

Benjamin Moore vs Behr$94/gal vs $48/gal (Save $46/gal)

Sherwin-Williams vs Valspar$82/gal vs $44/gal (Save $38/gal)

Luxury vs Budget Average$120/gal vs $46/gal (Save $74/gal)

Estimated Output

Total Net Wall Area:

468 sq. ft.

Gallons Needed:

3 Gallons

~350 sq ft / gal

Luxury Brand Paint Cost:$435

Verified Budget Dupe Cost:$144

Your Total Room Savings

$291 Saved!

🧰 Recommended Supplies for this Room:

1x Purdy 2.5" Clearcut Angled Sash Brush (for crisp trim cutting)
2x Wooster Pro 9" Woven 3/8" Nap Rollers
2x Rolls of FrogTape Multi-Surface Painters Tape (Prevents bleed)
1x Canvas Heavy-Duty Drop Cloth