How Many Square Feet in an Acre?
Quick Answer
There are 43,560 square feet in an acre.
1 acre = 43,560 square feet
Understanding the Conversion
One acre equals exactly 43,560 square feet. This is derived from the original definition of an acre as a strip of land 1 furlong (660 feet) long and 1 chain (66 feet) wide: 660 × 66 = 43,560. An acre is roughly the size of a football field without the end zones.
Formula
1 acre = 43,560 square feet
Common Examples
| Description | Value |
|---|---|
| A football field (without end zones) | About 1.1 acres (48,000 sq ft) |
| A quarter-acre lot | 10,890 sq ft |
| A half-acre lot | 21,780 sq ft |
Quick Reference Table
Use this table for quick conversions between acre and square feet:
| acre | square feet |
|---|---|
| 1 | 43,560 |
| 2 | 87,120 |
| 5 | 217,800 |
| 10 | 435,600 |
| 25 | 1,089,000 |
| 50 | 2,178,000 |
| 100 | 4,356,000 |
Frequently Asked Questions
How Many Square Feet in an Acre?
There are 43,560 square feet in an acre. One acre equals exactly 43,560 square feet. This is derived from the original definition of an acre as a strip of land 1 furlong (660 feet) long and 1 chain (66 feet) wide: 660 × 66 = 43,560. An acre is roughly the size of a football field without the end zones.
What is the formula to convert acre to square feet?
The formula is: 1 acre = 43,560 square feet. To convert, multiply the number of acres by 43,560 to get the equivalent in square feet.
How do I convert square feet to acre?
To convert square feet to acre, divide the number of square feet by 43,560. For example, 217,800 square feet equals 5 acres.