Acres to Square Feet Calculator
Convert acres to square feet (sq ft / ft²) instantly. Also convert sq ft back to acres. Formula: sq ft = acres × 43,560. Results with full step-by-step working.
Use this calculator to instantly convert between acres and square feet. Enter the value in acres (or sq ft) and click Convert. You can also switch to convert square feet back to acres.
What is an Acre?
The acre is a unit of land area used in the US, UK, and other countries following the imperial system. It is officially defined as:
- 66 feet × 660 feet = 43,560 square feet
- = 4,047 square meters
- = 0.4047 hectares
- = 1/640 of a square mile
An acre does not have to be a rectangle — it can be any shape as long as the area equals 43,560 sq ft.
How to Convert Acres to Square Feet
To convert acres to square feet, multiply the number of acres by 43,560:
To convert square feet back to acres, divide by 43,560:
Example 1: Convert 1 acre to square feet
Example 2: Convert 2.5 acres to square feet
Example 3: Convert 5 acres to square feet
Example 4: Convert 43,560 sq ft to acres (reverse)
Acres to Square Feet Conversion Table
| Acres | Square Feet (sq ft) | Square Meters |
|---|---|---|
| 0.1 ac | 4,356 sq ft | 404.7 m² |
| 0.25 ac | 10,890 sq ft | 1,011.7 m² |
| 0.5 ac | 21,780 sq ft | 2,023.4 m² |
| 1 ac | 43,560 sq ft | 4,046.9 m² |
| 2 ac | 87,120 sq ft | 8,093.7 m² |
| 5 ac | 217,800 sq ft | 20,234.3 m² |
| 10 ac | 435,600 sq ft | 40,468.6 m² |
| 25 ac | 1,089,000 sq ft | 101,171.4 m² |
| 50 ac | 2,178,000 sq ft | 202,342.8 m² |
| 100 ac | 4,356,000 sq ft | 404,685.6 m² |
| 640 ac | 27,878,400 sq ft | 1 sq mile |
Real-Life Acre Examples
- American football field: ≈ 1.32 acres (57,600 sq ft including end zones)
- Baseball field: ≈ 2 acres
- Tennis court: ≈ 0.065 acres (2,808 sq ft)
- Basketball court: ≈ 0.108 acres (4,700 sq ft)
- Olympic swimming pool: ≈ 0.58 acres
- Central Park, NYC: 843 acres = 36,720,480 sq ft
- Average US farm: ≈ 444 acres
- Typical house lot: ≈ 0.2–0.5 acres
What is a Square Foot?
A square foot (sq ft, ft², sqft) is the area of a square where each side is 1 foot (12 inches) long. It is the standard area unit in the United States for measuring homes, rooms, and land plots.
- 1 sq ft = 144 square inches
- 1 sq ft = 0.0929 square meters
- 1 sq ft = 1/43,560 acres
- 9 sq ft = 1 square yard
Acres to Other Area Units
| 1 Acre equals | Value |
|---|---|
| Square Feet (sq ft) | 43,560 |
| Square Yards (sq yd) | 4,840 |
| Square Meters (m²) | 4,046.86 |
| Square Kilometers (km²) | 0.00404686 |
| Hectares (ha) | 0.404686 |
| Square Miles (mi²) | 0.0015625 (1/640) |
| Square Inches (in²) | 6,272,640 |