Convert Acres to Square Feet
Convert Acres (ac) to Square Feet (ft²) instantly and accurately.
Conversion Formula
ft² = ac × 43560
About Acres
An acre is a traditional unit of land area used primarily in the United States, United Kingdom, and countries with British heritage. One acre equals 43,560 ft² or about 4,047 m². Historically based on the area a yoke of oxen could plow in one day, it remains the standard for measuring agricultural land, residential plots, and rural properties. A football field (without end zones) is roughly 1.32 acres, and most suburban house lots range from 0.25 to 1 acre.
About Square Feet
A square foot (ft²) is an imperial unit of area equal to a square with sides of one foot (12 in × 12 in or 144 in²). It is the standard for measuring floor space in the United States and some other countries. A typical bedroom is 100-150 ft², and the average American house is roughly 2,000-2,500 ft². This unit dominates real estate listings, flooring sales, and construction in countries using imperial measurements.
Quick Reference Table
| Acres (ac) | Square Feet (ft²) |
|---|---|
| 1 ac | 43560 ft² |
| 2 ac | 87120 ft² |
| 5 ac | 217800 ft² |
| 10 ac | 435600 ft² |
| 25 ac | 1089000 ft² |
| 50 ac | 2178000 ft² |
| 100 ac | 4356000 ft² |