How much flooring do I need for a 14x18 room?

Buy about 277 sq ft: the 252 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 14 boxes. Diagonal or herringbone layouts need 15–20% extra instead.

How much paint do I need for a 14x18 room?

With 8 ft ceilings, one door and one window, the walls are about 476 sq ft. Two coats at 350 sq ft per gallon is 2.7 gallons, so buy 3. Painting the ceiling as well brings it to 4.2 gallons.

How many square meters is 14 by 18 feet?

23.41 m². The room is 4.27 m by 5.49 m.

How many sheets of drywall for a 14x18 room?

About 26 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 14x18 Room?

A 14x18 room is 252 square feet (23.4 m²). Flooring with waste, paint, drywall and baseboard for a 14x18 room.

Updated October 12, 2026 · FloorFigures

Short answer

A 14x18 room is 252 square feet (14 × 18), or 23.4 m² and 28 square yards. Its perimeter is 64 ft. Flooring with 10% waste comes to about 277 sq ft.

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

Materials for a 14x18 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	252 sq ft	Wall to wall
Flooring to buy	277 sq ft (14 boxes)	10% waste, 20 sq ft boxes
Carpet	38.7 sq yd	12 ft roll, 1 seam
Wall area	476 sq ft	8 ft walls, less a door and a window
Paint, walls	2.7 gal (buy 3)	2 coats, 350 sq ft per gallon
Paint, walls and ceiling	4.2 gal	2 coats
Drywall	26 sheets	4x8 sheets, walls and ceiling, 10% waste
Baseboard	61 ft	Perimeter less a 3 ft door

What a 14x18 room is used for

Rooms this size are usually living rooms, family rooms, large primary suites or open kitchens. A queen bed (60" × 80") takes up about 33 sq ft, or 13% of the floor.

14x18 in other units

Unit	Value
Square feet	252
Square meters	23.41
Square yards	28
Square inches	36,288
Acres	0.0058
Dimensions in meters	4.27 × 5.49 m

Rooms close to 14x18

Room	Square feet	Square meters
12x18	216	20.1
14x16	224	20.8
15x15	225	20.9
12x20	240	22.3
15x16	240	22.3
16x16	256	23.8
15x18	270	25.1
14x20	280	26

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 14x18 room?: A 14 by 18 foot room is 252 square feet: 14 × 18 = 252. That's 23.4 square meters or 28 square yards.
How much flooring do I need for a 14x18 room?: Buy about 277 sq ft: the 252 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 14 boxes. Diagonal or herringbone layouts need 15–20% extra instead.
How much paint do I need for a 14x18 room?: With 8 ft ceilings, one door and one window, the walls are about 476 sq ft. Two coats at 350 sq ft per gallon is 2.7 gallons, so buy 3. Painting the ceiling as well brings it to 4.2 gallons.
How many square meters is 14 by 18 feet?: 23.41 m². The room is 4.27 m by 5.49 m.
How many sheets of drywall for a 14x18 room?: About 26 sheets of 4x8 drywall for the walls and ceiling with 8 ft walls, one door and one window, including 10% waste.