Paint Calculator

ft
ft
ft

Each subtracts 20 sq ft.

Each subtracts 15 sq ft.

Paint the ceiling too
sq ft
$

Gallons to buy

2 gal

Paint needed (exact)
1.91 gal
Wall area to paint
334 sq ft
Can mix
2 × 1 gal
Primer for one coat
1 gal
Paint cost (gallon price)
$80

2 coats at 350 sq ft per gallon. Doors (20 sq ft) and windows (15 sq ft) are subtracted. No extra waste added beyond rounding up.

Open the full paint calculator with the formula and FAQs at Calcs for Life