How much flooring do I need for a 14x20 room?

Buy about 308 sq ft: the 280 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 16 boxes. Diagonal or herringbone layouts need 15–20% extra instead.

How much paint do I need for a 14x20 room?

With 8 ft ceilings, one door and one window, the walls are about 508 sq ft. Two coats at 350 sq ft per gallon is 2.9 gallons, so buy 3. Painting the ceiling as well brings it to 4.5 gallons.

How many square meters is 14 by 20 feet?

26.01 m². The room is 4.27 m by 6.1 m.

How many sheets of drywall for a 14x20 room?

About 28 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 14x20 Room?

A 14x20 room is 280 square feet (26.0 m²). Flooring with waste, paint, drywall and baseboard for a 14x20 room.

Updated October 12, 2026 · FloorFigures

Short answer

A 14x20 room is 280 square feet (14 × 20), or 26 m² and 31.1 square yards. Its perimeter is 68 ft. Flooring with 10% waste comes to about 308 sq ft.

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

Materials for a 14x20 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	280 sq ft	Wall to wall
Flooring to buy	308 sq ft (16 boxes)	10% waste, 20 sq ft boxes
Carpet	38.7 sq yd	12 ft roll, 1 seam
Wall area	508 sq ft	8 ft walls, less a door and a window
Paint, walls	2.9 gal (buy 3)	2 coats, 350 sq ft per gallon
Paint, walls and ceiling	4.5 gal	2 coats
Drywall	28 sheets	4x8 sheets, walls and ceiling, 10% waste
Baseboard	65 ft	Perimeter less a 3 ft door

What a 14x20 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 12% of the floor.

14x20 in other units

Unit	Value
Square feet	280
Square meters	26.01
Square yards	31.11
Square inches	40,320
Acres	0.0064
Dimensions in meters	4.27 × 6.1 m

Rooms close to 14x20

Room	Square feet	Square meters
12x20	240	22.3
15x16	240	22.3
14x18	252	23.4
16x16	256	23.8
15x18	270	25.1
12x24	288	26.8
16x18	288	26.8
15x20	300	27.9

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 14x20 room?: A 14 by 20 foot room is 280 square feet: 14 × 20 = 280. That's 26 square meters or 31.1 square yards.
How much flooring do I need for a 14x20 room?: Buy about 308 sq ft: the 280 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 16 boxes. Diagonal or herringbone layouts need 15–20% extra instead.
How much paint do I need for a 14x20 room?: With 8 ft ceilings, one door and one window, the walls are about 508 sq ft. Two coats at 350 sq ft per gallon is 2.9 gallons, so buy 3. Painting the ceiling as well brings it to 4.5 gallons.
How many square meters is 14 by 20 feet?: 26.01 m². The room is 4.27 m by 6.1 m.
How many sheets of drywall for a 14x20 room?: About 28 sheets of 4x8 drywall for the walls and ceiling with 8 ft walls, one door and one window, including 10% waste.