HowMuchPaint
HomeRooms › 18×20 living room

How much paint for a 18x20 living room?

A 18x20 living room has about 618 sq ft of paintable wall. For two coats, plan on roughly 3.5 gallons.

Living rooms often have 9 ft or taller ceilings and large windows.

For 2 coats, 9 ft ceiling
3.5 gallons (~4 cans)

Adjust for your living room

🖌️ Paint calculator

🛒 Paint for your living room

Pick a durable, washable finish suited to a living room.

Shop paint →

Frequently asked questions

How much paint for a 18x20 living room?
About 3.5 gallons for two coats. Living rooms often have 9 ft or taller ceilings and large windows.