How much flooring do I need for a 11x12 room?

Buy about 145 sq ft: the 132 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 8 boxes. Diagonal or herringbone layouts need 15–20% extra instead.

How much paint do I need for a 11x12 room?

With 8 ft ceilings, one door and one window, the walls are about 332 sq ft. Two coats at 350 sq ft per gallon is 1.9 gallons, so buy 2. Painting the ceiling as well brings it to 2.7 gallons.

How many square meters is 11 by 12 feet?

12.26 m². The room is 3.35 m by 3.66 m.

How many sheets of drywall for a 11x12 room?

About 16 sheets of 4x8 drywall for the walls and ceiling with 8 ft walls, one door and one window, including 10% waste.

Room sizes

How Many Square Feet Is a 11x12 Room?

A 11x12 room is 132 square feet (12.3 m²). Flooring with waste, paint, drywall and baseboard for a 11x12 room.

Updated October 12, 2026 · FloorFigures

Short answer

A 11x12 room is 132 square feet (11 × 12), or 12.3 m² and 14.7 square yards. Its perimeter is 46 ft. Flooring with 10% waste comes to about 145 sq ft.

Drawn to scale. Each grid square is 1 ft × 1 ft.

Materials for a 11x12 room

Estimates for a plain rectangular room with 8 ft ceilings, one door and one window. Adjust for your own room with the flooring, paint and drywall calculators.

Item	Quantity	Assumes
Floor area	132 sq ft	Wall to wall
Flooring to buy	145 sq ft (8 boxes)	10% waste, 20 sq ft boxes
Carpet	15.3 sq yd	12 ft roll, no seams
Wall area	332 sq ft	8 ft walls, less a door and a window
Paint, walls	1.9 gal (buy 2)	2 coats, 350 sq ft per gallon
Paint, walls and ceiling	2.7 gal	2 coats
Drywall	16 sheets	4x8 sheets, walls and ceiling, 10% waste
Baseboard	43 ft	Perimeter less a 3 ft door

What a 11x12 room is used for

Rooms this size are usually secondary bedrooms, home offices, dining rooms or small kitchens. A queen bed (60" × 80") takes up about 33 sq ft, or 25% of the floor.

11x12 in other units

Unit	Value
Square feet	132
Square meters	12.26
Square yards	14.67
Square inches	19,008
Acres	0.003
Dimensions in meters	3.35 × 3.66 m

Rooms close to 11x12

Room	Square feet	Square meters
10x11	110	10.2
10x12	120	11.1
11x11	121	11.2
10x14	140	13
11x13	143	13.3
12x12	144	13.4
10x15	150	13.9
11x14	154	14.3

Room not a simple rectangle? Use the square footage calculator for L-shapes and angled walls, or split it into rectangles.

Questions

How many square feet is a 11x12 room?: A 11 by 12 foot room is 132 square feet: 11 × 12 = 132. That's 12.3 square meters or 14.7 square yards.
How much flooring do I need for a 11x12 room?: Buy about 145 sq ft: the 132 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 8 boxes. Diagonal or herringbone layouts need 15–20% extra instead.
How much paint do I need for a 11x12 room?: With 8 ft ceilings, one door and one window, the walls are about 332 sq ft. Two coats at 350 sq ft per gallon is 1.9 gallons, so buy 2. Painting the ceiling as well brings it to 2.7 gallons.
How many square meters is 11 by 12 feet?: 12.26 m². The room is 3.35 m by 3.66 m.
How many sheets of drywall for a 11x12 room?: About 16 sheets of 4x8 drywall for the walls and ceiling with 8 ft walls, one door and one window, including 10% waste.