How Many Square Feet Is a 10x10 Room?

A 10 × 10 ft room is 100 square feet, which is 11.11 square yards or 9.29 square meters. The perimeter is 40 ft. For flooring buy about 110 sq ft (6 boxes) to allow for waste.

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Example job shown. Change the numbers to match yours.

Area
100.00 ft²
Square yards
11.11 yd²
Square meters
9.29 m²
Acres
0.0023 acres
Perimeter
40.00 ft
  • For an irregular area, split it into rectangles, triangles and circles, calculate each, and add them up.

Before you buy: round up to whole packs, check the size printed on the label, and add a little spare. Your supplier has the final say.

10 × 10 ft room in other units

A small bedroom or a study is about this size. The area is length times width: 10 × 10 = 100 sq ft. Measure to the walls at the longest point, and add closets and alcoves you will floor.

UnitThis room
Square feet100 sq ft
Square yards11.11 sq yd
Square meters9.29 sq m
Perimeter (around the walls)40 ft
Acres0.00230 acres

What to buy for 100 sq ft

MaterialAmount
Flooring (10% waste, 20 sq ft boxes)110 sq ft, 6 boxes
Carpet (10% extra)12.3 sq yd
12 × 12 in tiles (10% waste)110 tiles
Baseboard (perimeter, less doorways)about 40 ft

Flooring with different waste allowances

Straight layouts need about 5 to 7%, diagonal layouts 10%, and herringbone or patterns 15%.

WasteFlooring to buyBoxes of 20 sq ft
5% waste105 sq ft6
10% waste110 sq ft6
15% waste115 sq ft6

Use the square footage calculator for L-shaped rooms, circles and triangles, or the flooring calculator and flooring for a 10x10 room for a full flooring estimate.

Want to change anything else? The calculator above is the full Square Footage Calculator: edit any number and the results update instantly.

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Frequently asked questions

How many square feet is a 10x10 room?

100 square feet (10 ft × 10 ft). That is 11.11 square yards or 9.29 square meters.

How many square feet of flooring do I need for a 10x10 room?

The floor is 100 sq ft, so buy about 110 sq ft with 10% for cuts and waste. That is 6 boxes at 20 sq ft a box.

How much carpet is a 10x10 room?

11.11 square yards of floor, so about 12.3 sq yd with 10% extra for seams and fitting. Carpet is usually sold in 12 ft rolls, so ask the supplier how it will be cut.

Related sizes and guides

Related sizes

Estimates only. Results assume standard materials and simple shapes. Supplier products vary, and the final call on quantity, structure and safety is yours. Check your local code and your supplier's guidance before ordering.