Acre to Square foot Converter
1 ac = 43,560 ft² — convert instantly with formula and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Quick answer: one acre equals 43,560 square feet. So to convert acres to square feet, multiply by 43,560.
How to convert acres to square feet
square feet = acres × 43,560
The acre — historically the area a yoke of oxen could plow in one day — equals 43,560 square feet and remains the standard US unit for land parcels.
The square foot rules North American real estate: homes, offices and rentals are all priced and compared per square foot.
Acre to Square foot conversion table
| Acre (ac) | Square foot (ft²) |
|---|---|
| 0.01 ac | 435.6 ft² |
| 0.1 ac | 4,356 ft² |
| 0.25 ac | 10,890 ft² |
| 0.4 ac | 17,424 ft² |
| 0.75 ac | 32,670 ft² |
| 1.25 ac | 54,450 ft² |
| 1.75 ac | 76,230 ft² |
| 2.5 ac | 108,900 ft² |
| 3.5 ac | 152,460 ft² |
| 4.5 ac | 196,020 ft² |
| 6 ac | 261,360 ft² |
| 8 ac | 348,480 ft² |
| 10 ac | 435,600 ft² |
| 12 ac | 522,720 ft² |
| 14 ac | 609,840 ft² |
| 16 ac | 696,960 ft² |
| 18 ac | 784,080 ft² |
| 20 ac | 871,200 ft² |
| 24 ac | 1,045,440 ft² |
| 26 ac | 1,132,560 ft² |
| 30 ac | 1,306,800 ft² |
| 35 ac | 1,524,600 ft² |
| 45 ac | 1,960,200 ft² |
| 55 ac | 2,395,800 ft² |
| 65 ac | 2,831,400 ft² |
| 75 ac | 3,267,000 ft² |
| 85 ac | 3,702,600 ft² |
| 95 ac | 4,138,200 ft² |
| 110 ac | 4,791,600 ft² |
| 125 ac | 5,445,000 ft² |
| 175 ac | 7,623,000 ft² |
| 250 ac | 10,890,000 ft² |
| 350 ac | 15,246,000 ft² |
| 450 ac | 19,602,000 ft² |
| 600 ac | 26,136,000 ft² |
| 750 ac | 32,670,000 ft² |
| 900 ac | 39,204,000 ft² |
| 1,500 ac | 65,340,000 ft² |
| 2,500 ac | 108,900,000 ft² |
| 10,000 ac | 435,600,000 ft² |
Need the opposite direction? Use the Square foot to Acre converter, or read our complete guide to area conversions for every formula in one place.
Frequently asked questions
How many square feet are in one acre?
One acre equals 43,560 square feet. Multiply any acre value by 43,560 to get square feet.
What is 10 acres in square feet?
10 acres equal 435,600 square feet (10 × 43,560).
Is the acre to square foot conversion exact?
The conversion factor used here (43,560) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.