The Abbreviation for Square Feet: What Is It and How Is It Used?

Do you want to know the best way to abbreviate a square foot or square feet? You’ve come to the right place. In this article, we’ll look at different abbreviations and definitions for this unit of measurement. We’ll also examine synonyms for square foot and ways to correctly use the measurement and its abbreviation in context.

There are a two common abbreviations:

  • ft²
  • sq. ft.

The second abbreviation can be written a number of different ways, such as SQ FT, sq.ft., Sq Ft, etc. Whereas the ft² abbreviation commonly appears in mathematical equations, you’re more likely to come across sq. ft in everyday prose. 

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What Is a Square Foot?

According to, a square foot is, “a unit of area measurement equal to a square measuring one foot on each side; 0.0929 square meters.” This noun is commonly used in the United Kingdom and the United States, as well as in other countries that do not use metric units. 

When to Use the Abbreviation

This measurement is typically used in industries including real estate, architecture, and construction. Since a square foot is a unit of measurement, you’ll also find the abbreviations in the context of mathematics and science. The abbreviation ft² is preferred within a mathematical or scientific context. The abbreviation sq ft, which also covers both the plural and singular, appears in most other contexts. 

Headlines and titles often include common abbreviations in order to save space.  

Synonyms for Square Feet

Examples of the Word and Abbreviation in Context

“FIRST LOOK: Inside the 240,000 sq. ft. Cedar Park sports complex that’s under construction | CEDAR PARK, Texas (KXAN) — A sports complex that’s designed to be a one-stop-shop for families whose kids play sports is expected to open early summer.”

“The proposed 14,000 sq. ft. dealership, to be located at 250 Bridge St., would sit on the empty parcel that directly abuts the Alden Buick GMC, which Lutz has also owned since 1991. The original plans for the project had the new facility sized at 10,000 sq. ft.”
—South Coast Today

“Centro RailYard, a new property on Winnifred between Winona and Bland streets, is Charlotte’s first micro-unit development. Two-thirds of its 91 units measure at around 400 square feet, or about the size of a two-car garage.”
—Charlotte Agenda

“George Mason University is now looking for private partners to help it build its Amazon-inspired expansion of its Arlington campus, outlining preliminary plans for a building with 225,000 square feet of academic space and 135,000 square feet of private office and retail.”
—Washington Business Journal

Additional Measurements for Area

acre | acre

hectare | ha

square centimeter | cm²

square decimeter | dm²

square dekameter | dam²

square hectometer | hm²

square inch | sq in

square kilometer | km²

square meter | m²

square mile | sq mi

square millimeter | mm²

square yard | sq yd