How much flooring do I need for a 13x15 room?

Buy about 215 sq ft: the 195 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 11 boxes. Diagonal or herringbone layouts need 15–20% extra instead.

How much paint do I need for a 13x15 room?

With 8 ft ceilings, one door and one window, the walls are about 412 sq ft. Two coats at 350 sq ft per gallon is 2.4 gallons, so buy 3. Painting the ceiling as well brings it to 3.5 gallons.

How many square meters is 13 by 15 feet?

18.12 m². The room is 3.96 m by 4.57 m.

How many sheets of drywall for a 13x15 room?

About 21 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 13x15 Room?

A 13x15 room is 195 square feet (18.1 m²). Flooring with waste, paint, drywall and baseboard for a 13x15 room.

Updated October 12, 2026 · FloorFigures

Short answer

A 13x15 room is 195 square feet (13 × 15), or 18.1 m² and 21.7 square yards. Its perimeter is 56 ft. Flooring with 10% waste comes to about 215 sq ft.

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

Materials for a 13x15 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	195 sq ft	Wall to wall
Flooring to buy	215 sq ft (11 boxes)	10% waste, 20 sq ft boxes
Carpet	36 sq yd	12 ft roll, 1 seam
Wall area	412 sq ft	8 ft walls, less a door and a window
Paint, walls	2.4 gal (buy 3)	2 coats, 350 sq ft per gallon
Paint, walls and ceiling	3.5 gal	2 coats
Drywall	21 sheets	4x8 sheets, walls and ceiling, 10% waste
Baseboard	53 ft	Perimeter less a 3 ft door

What a 13x15 room is used for

Rooms this size are usually primary bedrooms, kitchens, dining rooms or family rooms. A queen bed (60" × 80") takes up about 33 sq ft, or 17% of the floor.

13x15 in other units

Unit	Value
Square feet	195
Square meters	18.12
Square yards	21.67
Square inches	28,080
Acres	0.0045
Dimensions in meters	3.96 × 4.57 m

Rooms close to 13x15

Room	Square feet	Square meters
12x15	180	16.7
13x14	182	16.9
12x16	192	17.8
14x14	196	18.2
10x20	200	18.6
13x16	208	19.3
14x15	210	19.5
12x18	216	20.1

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 13x15 room?: A 13 by 15 foot room is 195 square feet: 13 × 15 = 195. That's 18.1 square meters or 21.7 square yards.
How much flooring do I need for a 13x15 room?: Buy about 215 sq ft: the 195 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 11 boxes. Diagonal or herringbone layouts need 15–20% extra instead.
How much paint do I need for a 13x15 room?: With 8 ft ceilings, one door and one window, the walls are about 412 sq ft. Two coats at 350 sq ft per gallon is 2.4 gallons, so buy 3. Painting the ceiling as well brings it to 3.5 gallons.
How many square meters is 13 by 15 feet?: 18.12 m². The room is 3.96 m by 4.57 m.
How many sheets of drywall for a 13x15 room?: About 21 sheets of 4x8 drywall for the walls and ceiling with 8 ft walls, one door and one window, including 10% waste.