Convert Acres to Square Feet

1 ac = 43560.06 ft²

1 ac = 43560.06 ft²

acres (ac) square feet (ft²)
0.5 21780.03
1 43560.06
2 87120.11
5 217800.29
10 435600.57
25 1089001.43
50 2178002.86
100 4356005.73
250 10890014.32
500 21780028.63
1000 43560057.26

To convert acres to square feet, multiply the value by the conversion factor:

1 ac = 43560.06 ft²

For example: 10 ac = 435600.57 ft²

The Conversion Formula

To convert acres to square feet, multiply the value by the conversion factor: 1 ac = 43560.06 ft². For a worked example, suppose you need to convert 25 ac to square feet: 25 × 43560.06 = 1089001.43 ft². To convert in the opposite direction, divide by 43560.06, or equivalently multiply by 0.0000229568.

About acres

The acre's origins are agricultural: it was originally defined as the amount of land a yoke of oxen could plow in a single day. This 'furlong' (furrow long) by 'chain' definition standardized land ownership in medieval England. Today, the acre remains the king of land measurement in the US and UK. There are 640 acres in a square mile. acres are commonly used in US Farm land, Residential lots (US), Public parks (US/UK), and Golf courses, Deforestation stats (US media).

An American football field (including end zones) is about 1.32 acres.

About square feet

The square foot (sq ft) is the defining unit of American real estate. Equal to 144 square inches, it dates back to medieval English measurement. While the world uses square meters, the US (and partially the UK/Canada) relies on square feet to define the size of homes, offices, and retail spaces. It is the unit that determines property value in the US market. square feet are commonly used in Home sizes (US/Canada), Office leasing, Retail store layout, and Painting estimates, Gardening plots.

A typical bedroom is about 100-150 square feet.

When Would You Convert acres to square feet?

Converting between acres and square feet is one of the most common area conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 ac = 43560.06 ft²) memorized or bookmarked can save time in professional and everyday contexts alike.