Square Foot Conversion Tool - Convert Square Feet to Any Unit
Convert Square Feet to Other Units
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Convert Other Units to Square Feet
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Related Area Units
Square Meter (m²)
The SI unit of area, used globally for scientific and standard measurements.
Acre
A common unit for measuring land in the imperial system, equal to 43,560 square feet.
Square Inch (in²)
A smaller imperial unit, where 144 square inches make up one square foot.
Hectare (ha)
A metric unit of area equal to 10,000 square meters, often used for large land plots.
Square Foot Conversion Table
This table provides quick conversion factors from square feet to other common area units. Use it as a reference for your calculations.
| From Square Foot (ft²) | To Unit | Multiplier |
|---|---|---|
| 1 ft² | Square Meter (m²) | 0.092903 |
| 1 ft² | Square Inch (in²) | 144 |
| 1 ft² | Square Yard (yd²) | 0.111111 |
| 1 ft² | Acre | 2.2957e-5 |
| 1 ft² | Hectare (ha) | 9.2903e-6 |
| 1 ft² | Square Centimeter (cm²) | 929.03 |
| 1 ft² | Square Kilometer (km²) | 9.2903e-8 |
| 1 ft² | Square Mile (mi²) | 3.587e-8 |
What is a Square Foot?
The square foot (plural: square feet; abbreviation: ft² or sq ft) is an imperial and U.S. customary unit of area. It is defined as the area of a square with sides of 1 foot in length. One square foot is equivalent to 144 square inches.
The square foot is widely used in the United States, Canada, and the United Kingdom for measuring real estate, architectural plans, and interior spaces. Our area conversion tool allows for easy conversion between square feet and metric units like square meters.
What is the SI equivalent of a Square Foot?
The SI unit for area is the square meter (m²). The conversion from square feet to square meters is:
- 1 square foot = 0.09290304 square meters
This conversion is crucial when working in international contexts or in scientific and engineering fields where the metric system is the standard. All other area units can be related through this fundamental SI unit.
What are Square Feet Used For?
Square feet are a primary unit of measurement for area in many parts of the world, especially for:
Real Estate
Describing the size of apartments, houses, and commercial properties. For example, a typical family home might be around 2,000 square feet.
Interior Design & Construction
Calculating the amount of flooring, paint, or tiles needed for a project. A 10 ft by 12 ft room has an area of 120 square feet.
Gardening & Landscaping
Planning garden layouts and determining the amount of sod or fertilizer required for a lawn.
General Area Measurement
Any context where a space's two-dimensional size needs to be quantified in imperial units.
History of the Square Foot
The concept of the foot as a unit of length dates back to ancient civilizations, including the Greeks and Romans, where it was often based on the length of a human foot. Consequently, the square foot has been a unit of area for centuries.
The definition of the foot has varied over time and by location. The international foot was standardized in 1959 by the United States and countries of the Commonwealth of Nations to be exactly 0.3048 meters. This agreement solidified the square foot's relationship to the metric system, making conversions like the ones on this page reliable and consistent.
Frequently Asked Questions
How do I calculate square feet?
To calculate the area in square feet, measure the length and width of the area in feet and then multiply them. For example, a room that is 12 feet long and 10 feet wide has an area of 120 square feet (12 ft × 10 ft = 120 ft²).
How many square feet are in a square meter?
There are approximately 10.764 square feet in one square meter. To convert square meters to square feet, you multiply the number of square meters by 10.764.
What's the difference between a foot and a square foot?
A foot is a unit of length used to measure one dimension (like the length of a wall). A square foot is a unit of area used to measure a two-dimensional space (like the floor of a room). You cannot convert between feet and square feet.
How do I convert square feet to other area units?
Use our square foot conversion calculator at the top of the page. Alternatively, use the appropriate conversion factor. For example, to convert square feet to square inches, multiply by 144. To convert to acres, divide by 43,560.
Why is square footage important in real estate?
Square footage is a key metric for determining the value and utility of a property. It gives buyers and sellers a standardized way to compare the size of different homes and commercial spaces, directly impacting the price.
Is your square foot conversion tool free?
Yes, our square foot conversion calculator is completely free to use. You can perform unlimited conversions without any registration. We aim to provide a simple and accurate tool for everyone from homeowners to real estate professionals.