Convert square feet to acres
Type the number of square feet that you wish to convert to acres.
How to Convert Square Feet to Acres
The square foot and acre are both units of area. By definition, 1 acre equals exactly 43560 square feet. This means to convert square feet to acres, you divide by 43560.
Formula
Step-by-Step Example
Convert 5 ft² to acres:
We need to convert square feet to acres
Since 1 acre = 43560 ft², divide by 43560
5 ÷ 43560 = 0.0001147842
5 ft² = 0.0001147842 acre
Square Foot to Acre Conversion Table
Quick reference table for common square foot to acre conversions. Click any value for detailed calculation.
| Square Feet (ft²) | Acres (acre) |
|---|---|
| 0.1 ft² | 2.2956841139e-6 acre |
| 0.5 ft² | 1.1478420569e-5 acre |
| 1 ft² | 2.2956841139e-5 acre |
| 2 ft² | 4.5913682277e-5 acre |
| 5 ft² | 0.0001147842 acre |
| 10 ft² | 0.0002295684 acre |
| 25 ft² | 0.000573921 acre |
| 50 ft² | 0.0011478421 acre |
| 100 ft² | 0.0022956841 acre |
About These Units
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.
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.
Frequently Asked Questions
How do I convert square feet to acres?
To convert square feet to acres, divide the value by 43560. For example, 10 ft² = 0.0002295684 acre.
How many acres are in 1 square foot?
1 square foot equals 2.2956841139e-5 acres.
What is the formula for square feet to acres?
The formula is: acre = ft² ÷ 43560.