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Convert Acres to Square Feet (acre → ft²)

Use our free online acre to square foot converter. Perfect for converting land area, property dimensions, and real estate measurements.

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Conversion Formula

ft² = acre × 43,560

To convert acres to square feet, multiply the acre value by 43,560

Example: To convert 2 acres to square feet: 2 × 43,560 = 87,120 ft²

Acres to Square feet Conversion Table

Acres (ac) Square feet (ft²)
0.25 ac 10890 ft²
0.5 ac 21780 ft²
0.75 ac 32670 ft²
1 ac 43560 ft²
2 ac 87120 ft²
3 ac 130680 ft²
5 ac 217800 ft²
10 ac 435600 ft²
15 ac 653400 ft²
20 ac 871200 ft²
25 ac 1089000 ft²
50 ac 2178000 ft²
100 ac 4356000 ft²

Quick reference: 1 ac = 43560 ft²

Understanding the Units

What is an acre?

An acre is a unit of area commonly used in the United States and UK for measuring land. One acre is equal to 43,560 square feet or about 4,047 square meters. Historically, it was defined as the amount of land a yoke of oxen could plow in one day.

What is a square foot?

The square foot (ft²) is a unit of area used primarily in the United States and United Kingdom. It is defined as the area of a square with sides of one foot. It is commonly used for measuring rooms, apartments, and small land parcels.

Frequently Asked Questions

How many square feet are in an acre?

There are exactly 43,560 square feet in 1 acre.

How do you convert acres to square feet?

Multiply the number of acres by 43,560. For example, 2 acres × 43,560 = 87,120 ft².

What is half an acre in square feet?

0.5 acres equals 21,780 square feet.

Why are there 43,560 square feet in an acre?

An acre was historically defined as a furlong (660 feet) times a chain (66 feet), which equals 43,560 square feet.