How much flooring do I need for a 24x30 room?

Buy about 792 sq ft: the 720 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 40 boxes. Diagonal or herringbone layouts need 15–20% extra instead.

How much paint do I need for a 24x30 room?

With 8 ft ceilings, one door and one window, the walls are about 828 sq ft. Two coats at 350 sq ft per gallon is 4.7 gallons, so buy 5. Painting the ceiling as well brings it to 8.8 gallons.

How many square meters is 24 by 30 feet?

66.89 m². The room is 7.32 m by 9.14 m.

How many sheets of drywall for a 24x30 room?

About 54 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 24x30 Room?

A 24x30 room is 720 square feet (66.9 m²). Flooring with waste, paint, drywall and baseboard for a 24x30 room.

Updated October 12, 2026 · FloorFigures

Short answer

A 24x30 room is 720 square feet (24 × 30), or 66.9 m² and 80 square yards. Its perimeter is 108 ft. Flooring with 10% waste comes to about 792 sq ft.

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

Materials for a 24x30 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	720 sq ft	Wall to wall
Flooring to buy	792 sq ft (40 boxes)	10% waste, 20 sq ft boxes
Carpet	81.3 sq yd	12 ft roll, 1 seam
Wall area	828 sq ft	8 ft walls, less a door and a window
Paint, walls	4.7 gal (buy 5)	2 coats, 350 sq ft per gallon
Paint, walls and ceiling	8.8 gal	2 coats
Drywall	54 sheets	4x8 sheets, walls and ceiling, 10% waste
Baseboard	105 ft	Perimeter less a 3 ft door

What a 24x30 room is used for

Rooms this size are usually garages (a two-car garage is commonly 20–24 ft on each side), great rooms, basements or open-plan living areas. A queen bed (60" × 80") takes up about 33 sq ft, or 5% of the floor.

24x30 in other units

Unit	Value
Square feet	720
Square meters	66.89
Square yards	80
Square inches	103,680
Acres	0.0165
Dimensions in meters	7.32 × 9.14 m

Rooms close to 24x30

Room	Square feet	Square meters
18x24	432	40.1
20x22	440	40.9
20x24	480	44.6
22x22	484	45
22x24	528	49.1
24x24	576	53.5
20x30	600	55.7
24x36	864	80.3

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 24x30 room?: A 24 by 30 foot room is 720 square feet: 24 × 30 = 720. That's 66.9 square meters or 80 square yards.
How much flooring do I need for a 24x30 room?: Buy about 792 sq ft: the 720 sq ft floor plus 10% for cuts and waste. With boxes that cover 20 sq ft, that's 40 boxes. Diagonal or herringbone layouts need 15–20% extra instead.
How much paint do I need for a 24x30 room?: With 8 ft ceilings, one door and one window, the walls are about 828 sq ft. Two coats at 350 sq ft per gallon is 4.7 gallons, so buy 5. Painting the ceiling as well brings it to 8.8 gallons.
How many square meters is 24 by 30 feet?: 66.89 m². The room is 7.32 m by 9.14 m.
How many sheets of drywall for a 24x30 room?: About 54 sheets of 4x8 drywall for the walls and ceiling with 8 ft walls, one door and one window, including 10% waste.