Square Feet to Acres Converter
Enter the area in square feet below to get the value converted to acres.
Do you want to convert acres to square feet?
How to Convert Square Feet to Acres
To convert a measurement in square feet to a measurement in acres, divide the area by the following conversion ratio: 43,560 square feet/acre.
Since one acre is equal to 43,560 square feet, you can use this simple formula to convert:
acres = square feet ÷ 43,560
The area in acres is equal to the area in square feet divided by 43,560.
Square feet and acres are both units used to measure area. Keep reading to learn more about each unit of measure.
What Is a Square Foot?
The square foot is a US customary and imperial unit of area. A square foot is sometimes also referred to as a square ft. Square feet can be abbreviated as sq ft, and are also sometimes abbreviated as ft². For example, 1 square foot can be written as 1 sq ft or 1 ft².
You can use a square footage calculator to calculate the area of a space if you know its dimensions.
Learn more about square feet.
What Is an Acre?
One acre is defined as the area equal to a space that is one chain (66 ft) by one furlong (660 ft), or 10 square chains. That's equal to 43,560 square feet or 1/640 of a square mile for those unfamiliar with those units of measure.
The acre is a US customary and imperial unit of area. Acres can be abbreviated as ac; for example, 1 acre can be written as 1 ac.
You can use an acreage calculator to measure the area of a plot of land in acres by locating the boundaries on a map.
Learn more about acres.
Square Foot to Acre Conversion Table
|1 sq ft||0.000022957 ac|
|2 sq ft||0.000045914 ac|
|3 sq ft||0.000068871 ac|
|4 sq ft||0.000091827 ac|
|5 sq ft||0.000115 ac|
|6 sq ft||0.000138 ac|
|7 sq ft||0.000161 ac|
|8 sq ft||0.000184 ac|
|9 sq ft||0.000207 ac|
|10 sq ft||0.00023 ac|
|100 sq ft||0.002296 ac|
|1,000 sq ft||0.022957 ac|
|10,000 sq ft||0.229568 ac|
|100,000 sq ft||2.2957 ac|
- Merriam-Webster, square foot, https://www.merriam-webster.com/dictionary/square%20foot
- National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf