Square feet (ft²)
The square foot is the area of a square one foot on each side, 144 square inches or about 0.0929 square meters.
Convert square feet to any area unit
1 square foot = 0.09290304 square meters
Quick facts
- Unit
- Square foot (plural: square feet)
- Symbol
- ft²
- Measures
- Area
- System
- US & imperial
- Equals
- 0.09290304 square meters
- Definition
- The area of a square with 1-foot sides: exactly 0.09290304 m².
- Also written
- sq ft, sqft, ft2, SF
1 square foot in other units
| Square meters | 0.09290304 m² |
| Acres | 0.000022956841 ac |
| Hectares | 0.000009290304 ha |
| Square kilometers | 9.290304 × 10-8 km² |
| Square miles | 3.5870064 × 10-8 mi² |
| Square centimeters | 929.0304 cm² |
| Square yards | 0.1111111111 yd² |
| Square inches | 144 in² |
What is a square foot?
The square foot is the area of a square one foot on each side, 144 square inches or about 0.0929 square meters. It is the standard unit for home and office floor area in the United States, and it is also used in the UK, Canada and India for real estate.
Where the square foot sits among area units
The square foot is number 18 of 112 on our scale of area units, ordered from smallest to largest.
What square feet are used for
- Home sizes and real estate listings ("2,000 sq ft")
- Office and retail leasing (price per square foot)
- Flooring, drywall, paint and roofing materials
Square feet in real life
- A typical new US home is about 2,300 ft²
- A standard parking space is about 150 ft²
- A king-size bed covers about 35 ft²
- An American football field (with end zones) is 57,600 ft²
One square foot is about the size of a large pizza, or about 1.5 sheets of A4 paper, or about 20 credit cards, or about 186 postage stamps.
Top square foot conversions
- Square feet to square meters
- Square feet to acres
- Square feet to hectares
- Square feet to square kilometers
- Square feet to square miles
- Square feet to square centimeters
- Square feet to square yards
- Square feet to square inches
- Square feet to square millimeters
- Square feet to pyeong
- Square feet to bighas
- Square feet to mu
Common amounts of square feet
- 0.1 ft²
- 0.2 ft²
- 0.3 ft²
- 0.4 ft²
- 0.5 ft²
- 0.6 ft²
- 0.7 ft²
- 0.8 ft²
- 0.9 ft²
- 1 ft²
- 1.5 ft²
- 2 ft²
- 2.5 ft²
- 3 ft²
- 3.5 ft²
- 4 ft²
- 4.5 ft²
- 5 ft²
- 6 ft²
- 7 ft²
- 7.5 ft²
- 8 ft²
- 9 ft²
- 10 ft²
- 11 ft²
- 12 ft²
- 13 ft²
- 14 ft²
- 15 ft²
- 16 ft²
- 17 ft²
- 18 ft²
- 19 ft²
- 20 ft²
- 21 ft²
- 22 ft²
- 23 ft²
- 24 ft²
- 25 ft²
- 26 ft²
- 27 ft²
- 28 ft²
- 29 ft²
- 30 ft²
- 31 ft²
- 32 ft²
- 33 ft²
- 34 ft²
- 35 ft²
- 36 ft²
- 37 ft²
- 38 ft²
- 39 ft²
- 40 ft²
- 41 ft²
- 42 ft²
- 43 ft²
- 44 ft²
- 45 ft²
- 46 ft²
- 47 ft²
- 48 ft²
- 49 ft²
- 50 ft²
- 51 ft²
- 52 ft²
- 53 ft²
- 54 ft²
- 55 ft²
- 56 ft²
- 57 ft²
- 58 ft²
- 59 ft²
- 60 ft²
- 61 ft²
- 62 ft²
- 63 ft²
- 64 ft²
- 65 ft²
- 66 ft²
- 67 ft²
- 68 ft²
- 69 ft²
- 70 ft²
- 71 ft²
- 72 ft²
- 73 ft²
- 74 ft²
- 75 ft²
- 76 ft²
- 77 ft²
- 78 ft²
- 79 ft²
- 80 ft²
- 81 ft²
- 82 ft²
- 83 ft²
- 84 ft²
- 85 ft²
- 86 ft²
- 87 ft²
- 88 ft²
- 89 ft²
- 90 ft²
- 91 ft²
- 92 ft²
- 93 ft²
- 94 ft²
- 95 ft²
- 96 ft²
- 97 ft²
- 98 ft²
- 99 ft²
- 100 ft²
- 110 ft²
- 120 ft²
- 130 ft²
- 140 ft²
- 150 ft²
- 160 ft²
- 170 ft²
- 180 ft²
- 190 ft²
- 200 ft²
- 210 ft²
- 220 ft²
- 230 ft²
- 240 ft²
- 250 ft²
- 260 ft²
- 270 ft²
- 280 ft²
- 290 ft²
- 300 ft²
- 310 ft²
- 320 ft²
- 330 ft²
- 340 ft²
- 350 ft²
- 360 ft²
- 370 ft²
- 380 ft²
- 390 ft²
- 400 ft²
- 410 ft²
- 420 ft²
- 430 ft²
- 440 ft²
- 450 ft²
- 460 ft²
- 470 ft²
- 480 ft²
- 490 ft²
- 500 ft²
- 600 ft²
- 700 ft²
- 800 ft²
- 900 ft²
- 1,000 ft²
- 1,200 ft²
- 1,500 ft²
- 2,000 ft²
- 2,500 ft²
- 3,000 ft²
- 4,000 ft²
- 5,000 ft²
- 10,000 ft²
Convert square feet to all 111 other units
Metric
US & imperial
- ft² to ac
- ft² to mi²
- ft² to yd²
- ft² to in²
- ft² to cmil
- ft² to roofing square
- ft² to section
- ft² to rd²
- ft² to US survey acre
- ft² to rood
- ft² to ch²
- ft² to mil²
- ft² to township
- ft² to homestead
- ft² to Irish acre
- ft² to Scottish acre
- ft² to circular inch
- ft² to Cheshire acre
East & Southeast Asian
- ft² to 평
- ft² to 亩
- ft² to 坪
- ft² to ไร่
- ft² to 坪
- ft² to งาน
- ft² to ตร.ว.
- ft² to 顷
- ft² to 町
- ft² to 甲
- ft² to 反
- ft² to 分
- ft² to 단보
- ft² to 정보
- ft² to 畝
- ft² to 厘
- ft² to 合
- ft² to 分
- ft² to 마지기
- ft² to square chi
South Asian
- ft² to bigha
- ft² to kanal
- ft² to marla
- ft² to cent
- ft² to kattha
- ft² to guntha
- ft² to biswa
- ft² to ground
- ft² to ankanam
- ft² to chatak
- ft² to dhur
- ft² to killa
- ft² to murabba
European & Middle Eastern
- ft² to dunam
- ft² to feddan
- ft² to arpent
- ft² to Morgen
- ft² to Joch
- ft² to desyatina
- ft² to jerib
- ft² to qirat
- ft² to Tagwerk
- ft² to square perch (French)
- ft² to square sazhen
- ft² to square versta
Latin American
- ft² to manzana
- ft² to alqueire paulista
- ft² to alqueire mineiro
- ft² to v²
- ft² to cuadra (area)
- ft² to fanega (area)
- ft² to tarea
- ft² to alqueire baiano
- ft² to caballeria
- ft² to square braca
Ancient
- ft² to jugerum
- ft² to aroura
- ft² to centuria
- ft² to actus
- ft² to heredium
- ft² to saltus
- ft² to square Roman foot
- ft² to square plethron
Scientific
Everyday comparisons
Convert to square feet
- Square meters to square feet
- Acres to square feet
- Hectares to square feet
- Square kilometers to square feet
- Square miles to square feet
- Square centimeters to square feet
- Square yards to square feet
- Square inches to square feet
- Square millimeters to square feet
- Pyeong to square feet
- Bighas to square feet
- Mu to square feet
Frequently asked questions
What is a square foot?
The square foot is the area of a square one foot on each side, 144 square inches or about 0.0929 square meters.
How is the square foot defined?
The area of a square with 1-foot sides: exactly 0.09290304 m².
How many square meters are in a square foot?
One square foot equals 0.09290304 square meters.
How many acres are in a square foot?
One square foot equals 0.000022956841 acres.
How many hectares are in a square foot?
One square foot equals 0.000009290304 hectares.