Why is an acre 43,560 square feet?

This number comes from historical measurements. An acre was originally defined as an area 66 feet wide by 660 feet long (one furlong), which equals 43,560 square feet.

What does a quarter acre look like in square feet?

A quarter acre equals 10,890 square feet, which is roughly the size of many suburban residential lots.

How big is an acre visually?

An acre is about the size of a football field without the end zones, or about 76% of a full football field including end zones.

What's a typical house lot size in acres?

In suburban areas, typical residential lots range from 0.2 to 0.25 acres (8,712 to 10,890 square feet).

Acres to Square Feet Converter

Need to convert acres to square feet? Use our calculator below for instant, accurate conversions, along with the formula and common conversion values.

Need to convert square feet to acres instead? Try our square feet to acres converter.

How to Convert Acres to Square Feet

To convert acres to square feet, multiply the acre value by 43,560. This is because one acre equals exactly 43,560 square feet.

Formula: Square Feet = Acres × 43,560

Example: 2 acres × 43,560 = 87,120 square feet

Acres to Square Feet Conversion Table

Acres (ac)	Square Feet (sq ft)
0.25 acres	10,890 sq ft
0.5 acres	21,780 sq ft
1 acre	43,560 sq ft
2 acres	87,120 sq ft
5 acres	217,800 sq ft
10 acres	435,600 sq ft

What is an Acre?

An acre is a unit of land area commonly used in the United States and other English-speaking countries. One acre is equal to 43,560 square feet or about 4,047 square meters. Originally, an acre was defined as the area of land that could be plowed in one day with a yoke of oxen.

What is a Square Foot?

A square foot (sq ft) is a unit of area equal to a square that is one foot on each side. It's commonly used in the United States and other countries using imperial measurements for expressing the area of rooms, houses, lots, and smaller land parcels.

Need to convert the other way? Use our square feet to acres converter.

Common Area Unit Converters

FAQ

How many square feet are in one acre?

One acre equals exactly 43,560 square feet.
Why is an acre 43,560 square feet?

This number comes from historical measurements. An acre was originally defined as an area 66 feet wide by 660 feet long (one furlong), which equals 43,560 square feet.
What does a quarter acre look like in square feet?

A quarter acre equals 10,890 square feet, which is roughly the size of many suburban residential lots.
How big is an acre visually?

An acre is about the size of a football field without the end zones, or about 76% of a full football field including end zones.
What's a typical house lot size in acres?

In suburban areas, typical residential lots range from 0.2 to 0.25 acres (8,712 to 10,890 square feet).