Acres to Square feet Converter
Convert acre to square foot instantly. Type a value below — the result updates as you type.
When you need to convert acre to square foot
Area conversions are essential when buying land, ordering flooring, turf or paint, or comparing property listings that quote space in different units across regions.
Typical values: 0.5 ac is about 21780 ft², and 5 ac works out to roughly 217800 ft². Because the ratio is fixed at 43560, you can scale any amount linearly — doubling the acres doubles the square feet.
Estate agents, builders and gardeners each favour different area units, so a quick conversion keeps quotes and material orders consistent.
How to convert acre to square foot
One acre equals 43560 square feet. To convert, multiply the number of acres by 43560:
square feet = acres × 43560
For example, 10 acres × 43560 = 435600 square feet.
Acres to square feet conversion table
| Area (ac) | Square feet (ft²) |
|---|---|
| 1 ac | 43560 ft² |
| 2 ac | 87120 ft² |
| 3 ac | 130680 ft² |
| 5 ac | 217800 ft² |
| 10 ac | 435600 ft² |
| 20 ac | 871200 ft² |
| 50 ac | 2.178e+06 ft² |
| 100 ac | 4.356e+06 ft² |
FAQ
How many square feet are in a acre?
One acre = 43560 square feet.
How do I convert square feet back to acres?
Divide by 43560, or use the square feet to acres converter.