Square Feet Converter
Unit ConversionConvert square feet to square inches, square yards, acres, square miles, square centimeters, square meters, hectares and square kilometers, and back, all at once.
Square Feet
US and Imperial
Metric
1 Square Foot = 144 Square Inches ⟷ 1 Square Inch = 0.00694444 Square Feet
1 Square Foot = 0.111111 Square Yards ⟷ 1 Square Yard = 9 Square Feet
1 Square Foot = 0.0000229568 Acres ⟷ 1 Acre = 43,560 Square Feet
1 Square Foot = 0.0000000358701 Square Miles ⟷ 1 Square Mile = 27,878,400 Square Feet
1 Square Foot = 929.0304 Square Centimeters ⟷ 1 Square Centimeter = 0.00107639 Square Feet
1 Square Foot = 0.092903 Square Meters ⟷ 1 Square Meter = 10.76391 Square Feet
1 Square Foot = 0.0000092903 Hectares ⟷ 1 Hectare = 107,639.104167 Square Feet
1 Square Foot = 0.000000092903 Square Kilometers ⟷ 1 Square Kilometer = 10,763,910.41671 Square Feet
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SponsoredThis square feet converter shows an area in square feet next to square inches, square yards, acres, square miles, square centimeters, square meters, hectares and square kilometers. Type into any box and the others update as you type.
A square foot is the area of a square 1 foot on each side. The foot is exactly 0.3048 meters, so a square foot is 0.09290304 square meters, and it holds 144 square inches. US homes, offices and building materials are measured in square feet, while most other countries use square meters.
This page converts an area you already have. To find square footage from a room's length and width, start with the dimensions section below. Results show up to six decimal places.
Square Feet From Room Dimensions
Most people searching for square feet start with a length and a width. Multiply them in feet: a 12 by 15 foot room is 180 square feet. For mixed feet and inches, or for odd shapes, the Square Footage Calculator does the measuring, and the result can be converted here.
Rooms measured in inches multiply out to square inches, then divide by 144. A price per square foot is the usual way to compare homes and flooring, and the Price per Square Foot Calculator works it out from a total price.
One Square Foot in Other Units
| Unit | 1 Square Foot Equals | Value Status |
|---|---|---|
| Square Inches | 144 in² | Exact |
| Square Yards | 0.111111 yd² | Rounded |
| Acres | 0.0000229568 ac | Rounded |
| Square Miles | 0.0000000358701 mi² | Rounded |
| Square Centimeters | 929.0304 cm² | Exact |
| Square Meters | 0.09290304 m² | Exact |
| Hectares | 0.000009290304 ha | Exact |
| Square Kilometers | 0.00000009290304 km² | Exact |
Square Feet Are Not Feet
A square foot is an area and a foot is a length, so 100 square feet cannot be turned into feet without a shape. If the area is a square, its side is the square root: 100 square feet is a 10 by 10 foot square, and the Square Root Calculator finds the side for any area. A 100 square foot rectangle could just as well be 5 by 20 feet.
How to Write Square Feet
Square feet are written in several ways: sq ft, sq. ft., ft², sqft, and sf or SF in building plans and commercial listings. They all mean the same unit.
Single Area Conversions
Single conversions that start from or end in this page's units, one page per pair of units.
- Square Feet to Acres Converter: 1 square foot is about 0.0000229568 acres
- Square Inches to Square Feet Converter: 1 square inch is about 0.00694444 square feet
- Square Meters to Square Feet Converter: 1 square meter is about 10.76391 square feet
- Square Feet to Square Yards Converter: 1 square foot is about 0.111111 square yards
- Square Miles to Square Feet Converter: 1 square mile equals exactly 27,878,400 square feet
- Cents to Square Feet Converter: 1 cent equals exactly 435.6 square feet
- Square Feet to Gaj Converter: 1 square foot is about 0.111111 gaj
- Hectares to Square Feet Converter: 1 hectare is about 107,639.104167 square feet
Other Area Converters
Each converter below shows one area in many units at once, starting from a different unit.
- Land Area Converter: acres, hectares, ares, cents, gunthas, perches and more at once
- Acreage Converter: acres to square feet, square miles, hectares and more at once
- Square Meter Converter: square meters to cm², ares, hectares, feet, yards and more
- Square Yard Converter: square yards to square feet, inches, acres, meters and more
- Area Converter: any area in 16 units, from square millimeters to square miles
Frequently Asked Questions
How many square meters is 1,000 square feet?
1,000 square feet equals exactly 92.90304 square meters.
How many square meters is a 15 by 20 foot room?
300 square feet equals exactly 27.870912 square meters.
How many square yards is 1,000 square feet?
1,000 square feet is about 111.1111 square yards.
How many square feet is 2 acres?
2 acres equals exactly 87,120 square feet.
Can I enter a negative value?
No. An area can't be negative, so the other boxes clear.
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