Convert acres to square feet

Input the number of acres you want to convert to square feet.

1 acre (acres) = 43560 ft² (square feet)

How to Convert Acres to Square Feet

The acre and square foot are both units of area. By definition, 1 acre equals exactly 43560 square feet. This means to convert acres to square feet, you multiply by 43560.

Formula

square feet = acres × 43560

Step-by-Step Example

Convert 5 acre to square feet:

1
Convert 5 acre to square feet

We need to convert acres to square feet

2
Apply the formula

Since 1 acre = 43560 ft², multiply by 43560

5 × 43560 = 217800

Answer

5 acre = 217800 ft²

Acre to Square Foot Conversion Table

Quick reference table for common acre to square foot conversions. Click any value for detailed calculation.

Acres (acre) Square Feet (ft²)
0.1 acre 4356 ft²
0.5 acre 21780 ft²
1 acre 43560 ft²
2 acre 87120 ft²
5 acre 217800 ft²
10 acre 435600 ft²
25 acre 1089000 ft²
50 acre 2178000 ft²
100 acre 4356000 ft²

About These Units

Acre (acre)

An acre equals 43,560 square feet, 4,047 square meters, or approximately 0.405 hectares. Acres are the standard land measurement in the US and UK for farms, lots, and real estate. An American football field (without end zones) is about 1.1 acres. One square mile contains 640 acres.

Square Foot (ft²)

A square foot (ft² or sq ft) equals 144 square inches or 0.0929 square meters. Square feet are the standard unit for real estate, home sizes, and floor plans in the United States. Average US home: 2,500 sq ft. One square meter equals 10.764 square feet.

Frequently Asked Questions

How do I convert acres to square feet?

To convert acres to square feet, multiply the value by 43560. For example, 10 acre = 435600 ft².

How many square feet are in 1 acre?

1 acre equals 43560 square feet.

What is the formula for acres to square feet?

The formula is: ft² = acre × 43560.