Acres to Square Feet Converter
1 acre = 43,560 square feet. Multiply acres by 43,560 to convert. Example: 2.5 acres × 43,560 = 108,900 sq ft.
Inverse conversion
1 acre = 43,560 square feet. To convert square feet to acres, divide by 43,560. Example: 87,120 sq ft ÷ 43,560 = 2 acres.
Formula
Formula
square feet = acres × 43,560
Worked example
To convert 5 acres to square feet: 5 × 43,560 = 217,800 sq ft.
Quick reference table
| ac | ft² |
|---|---|
| 0.1 | 4356 |
| 0.25 | 10890 |
| 0.5 | 21780 |
| 1 | 43560 |
| 2 | 87120 |
| 5 | 217800 |
| 10 | 435600 |
| 40 | 1742400 |
| 100 | 4356000 |
Unit definitions
Acre (ac)
The acre (ac) is a unit of area equal to 43,560 square feet or 4,046.86 m².
Square Foot (ft²)
The square foot (ft²) is the area of a square with 1-foot sides. 1 ft² = 0.0929 m².
Common use cases
- Land subdivision planning
- Construction site area
- Agricultural yield estimation
- Real estate listings