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Subjects>Math>Math & Arithmetic

How many square feet in 21 by 11 foot room?

Updated: 9/20/2023

Wiki User

∙ 13y ago

Best Answer

21 x 11 = 231

-- There are 231 square feet on the floor.

-- There are 231 square feet on the ceiling.

-- There are a lot more square feet on the walls, but in order to

calculate them, you need to know the height of the room.

Wiki User

∙ 13y ago

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How many square feet in a 11 foot by 15 foot room?

165 square feet

How many square feet are in a 16 foot x 18 foot room?

288 square feet.

How many square feet is a 15x18 foot room?

There are 270 square feet in a 15'x18' room.

How many square feet is 16 foot by 16 foot room?

16*16 = 256 square feet

How many square feet in a 16 by 7 foot room?

112 square feet.

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How many square feet in a 9 foot by 12 foot room?

108 square feet

How many square feet in a 11 foot by 15 foot room?

165 square feet

How many square feet is a 18x20 foot room?

360 square feet.

How many square feet in a 12 foot by 12 foot room floor?

144 square feet.

How many square feet are in a 16 foot x 18 foot room?

288 square feet.

How many square feet in a 11 foot x 6 foot room?

There are 66 square feet.

How many square feet in a room 13 x 18 foot room?

234 square feet.

How many square feet in a 11X11 foot room?

There is 121 square feet in a 11'x11' room.

How many square feet is a 15x18 foot room?

There are 270 square feet in a 15'x18' room.

How many square feet are in a 20 foot by 20 foot room?

A room measuring 20' x 20' = 400 square feet

How many square feet of carpeting are needed to carpet a 12-foot x 12-foot room?

The room is 144 square feet.

How many square in a room 5 foot by 12 foot?

60 square feet

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