How Much Paint Does a 12x14 Room Need?
A standard 12x14 room has 416 square feet of wall space with 8ft ceilings — calculated as the perimeter (52 feet) multiplied by the ceiling height (8 feet). After deducting a standard door (21 sq ft) and two windows (30 sq ft total), you have approximately 365 square feet of paintable wall area.
At 400 square feet coverage per gallon, one coat needs just under one gallon. For two coats you need approximately 1.8 gallons. The practical approach is one gallon plus one quart for smooth walls, or two full gallons for textured walls or a colour change.
In litres, a 12x14 room requires approximately 6 to 8 litres for two coats. Buy a 5 litre tin plus a 2.5 litre tin. In the UK and Australia, two 4 litre tins of Dulux or Taubmans interior paint covers this room comfortably.
12x14 Room Paint Reference Table
| Ceiling Height | 1 Coat | 2 Coats | Litres (2 coats) |
|---|---|---|---|
| 8 ft (standard) | 0.9 gal | 1.8 gal | ~7 litres |
| 9 ft | 1.0 gal | 2.0 gal | ~7.5 litres |
| 10 ft | 1.1 gal | 2.2 gal | ~8.5 litres |
| + Ceiling | +0.4 gal | +0.8 gal | +3 litres |
What Affects Paint Coverage in a 12x14 Room
The 1.5 to 2 gallon estimate assumes smooth walls in good condition. Textured walls absorb 15 to 20 percent more paint — budget 2 to 2.5 gallons for textured walls with two coats.
Going from a dark colour to a light one requires primer. Kilz Premium Primer ($22/gallon) or Zinsser Bulls Eye 1-2-3 ($25/gallon) are excellent choices that seal the old colour in one coat. Add a quart of primer to your shopping list.
Paint quality directly affects how many coats you need. Premium paints like Behr Marquee ($58/gallon) often cover in a single coat — meaning one gallon may be enough for a 12x14 room. Budget paints almost always need two coats minimum.
Best Paint for a 12x14 Room
For a bedroom use eggshell or satin finish. Behr Premium Plus Interior Eggshell ($34/gallon) gives a soft washable finish that works well in bedrooms. One gallon covers the walls of most 12x14 bedrooms with two coats.
For a living room use satin finish. Sherwin-Williams Emerald Interior Satin ($92/gallon) is the premium choice with outstanding hide and a smooth durable finish. For a budget option Behr Ultra Satin ($45/gallon) performs nearly as well at half the price.
Popular colours for a 12x14 room include Sherwin-Williams Agreeable Gray (SW 7029), Benjamin Moore White Dove (OC-17), and Behr Cracked Pepper (N520-7) for a bold accent wall.
Tips for Painting a 12x14 Room
Use a 9-inch roller with a half-inch nap for smooth to slightly textured walls. For heavily textured walls use a three-quarter inch nap roller.
Paint in natural light. Artificial lighting changes how colours appear. Always check your colour sample in daylight before painting the full room.
Roll in a consistent direction. Always finish with vertical strokes on the final pass to minimise roller marks and give the most even finish.
Allow 24 hours before replacing furniture. Paint feels dry after 2 hours but takes 24 hours to fully cure. Moving furniture too soon causes scuffs.
Related Paint Calculators
- How Much Paint for a 10x10 Room →
- How Much Paint for a 12x12 Room →
- How Much Paint for a 14x14 Room →
- Bedroom Paint Calculator →
- Primer Calculator →
- Free Paint Calculator — Calculate Any Room →
Frequently Asked Questions
How much paint do I need for a 12x14 room?
A 12x14 room with 8ft ceilings needs 1.5 to 2 gallons (6 to 8 litres) for two coats on the walls. One gallon plus one quart covers most 12x14 rooms with smooth walls.
How many gallons for a 12x14 room with two coats?
Two coats on the walls of a 12x14 room requires 1.5 to 2 gallons. Buy one gallon plus one quart for smooth walls or two full gallons for textured walls or a colour change.
How many litres for a 12x14 room?
A 12x14 room needs 6 to 8 litres for two coats. Buy a 5 litre tin plus a 2.5 litre tin. In Australia and the UK a 7.5 litre combined purchase covers this room comfortably.
Is a 12x14 room a standard bedroom size?
Yes — 12x14 is a comfortable medium bedroom. It fits a queen bed with side tables and a small dresser with room to move. The average US bedroom is between 12x12 and 14x14.
Do I need primer for a 12x14 room?
Primer is needed for new drywall, major colour changes, or walls with stains. For walls already painted in a similar colour and in good condition, skip primer and use two coats of quality paint.
How long does it take to paint a 12x14 room?
A 12x14 room takes 3 to 5 hours with two coats including prep and drying time. Allow a full day if this is your first time painting a room.