Acres to Square Feet Converter
Use this converter to turn acres into square feet or square feet back into acres. It is a fast two-way area conversion tool for land and site planning.
1 acre equals 43,560 square feet.
Acre to Square Foot Reference
--
--
This calculator performs a unit conversion only. It does not verify boundaries, easements, or survey accuracy.
How to Calculate
- Enter the source area. Type the acreage or square-foot value you want to convert.
- Choose the direction. Pick acres to square feet or the reverse conversion.
- Read the result. The calculator returns the matching area immediately.
- Copy the value. Use the result in land, site, or planning documents.
Formula
square feet = acres x 43,560
- acres = Area in acres (ac)
- square feet = Area in square feet (ft2)
Examples
USA: One acre
- Acres: 1
Result: Square feet = 43,560 ft2
This is the standard acre conversion.
UK: Five acres
- Acres: 5
Result: Square feet = 217,800 ft2
The conversion scales directly with acreage.
EU: Reverse conversion
- Square feet: 100,000
Result: Acres = 2.2957 ac
Divide by 43,560 to go the other way.
GCC: Large parcel
- Acres: 25
Result: Square feet = 1,089,000 ft2
Large parcels quickly become large square-foot numbers.
Acre to Square Foot Reference
Acre-to-square-foot conversions use a fixed multiplier.
| Acres | Square feet | Note |
|---|---|---|
| 1 | 43,560 | One acre |
| 2 | 87,120 | Two acres |
| 5 | 217,800 | Five acres |
| 10 | 435,600 | Ten acres |
Frequently Asked Questions
One acre contains 43,560 square feet.
Yes. Use the reverse mode and divide by 43,560.
Yes. It is ideal for quick land-area conversions.
Yes. Decimal values are supported in both directions.
Yes, the display rounds for readability while keeping the calculation precise.
Related Calculators
References
- Omni Calculator: Acres to Square Feet Converter
- This calculator performs a unit conversion only. It does not verify boundaries, easements, or survey accuracy.
- Last reviewed: March 28, 2026