Acres to Square Feet
Convert acres to square feet instantly. One acre equals exactly 43,560 square feet.
Acres to square feet converter
Acres to square feet formula
square feet = acres × 43,560
Example: a 1.6-acre lot is 1.6 × 43,560 = 69,696 sq ft. To go the other way, use the square feet to acres converter.
Acres to square feet table
| Acres | Square feet | Square side length | Square meters |
|---|---|---|---|
| 0.1 acres | 4,356 | 66 ft | 405 |
| 1/8 acres | 5,445 | 73.8 ft | 506 |
| 0.2 acres | 8,712 | 93.3 ft | 809 |
| 1/4 acres | 10,890 | 104.4 ft | 1,012 |
| 1/3 acres | 14,520 | 120.5 ft | 1,349 |
| 1/2 acres | 21,780 | 147.6 ft | 2,023 |
| 3/4 acres | 32,670 | 180.7 ft | 3,035 |
| 1 acre | 43,560 | 208.7 ft | 4,047 |
| 1.5 acres | 65,340 | 255.6 ft | 6,070 |
| 2 acres | 87,120 | 295.2 ft | 8,094 |
| 2.5 acres | 108,900 | 330 ft | 10,117 |
| 3 acres | 130,680 | 361.5 ft | 12,141 |
| 5 acres | 217,800 | 466.7 ft | 20,234 |
| 10 acres | 435,600 | 660 ft | 40,469 |
| 20 acres | 871,200 | 933.4 ft | 80,937 |
| 40 acres | 1,742,400 | 1,320 ft | 161,874 |
| 100 acres | 4,356,000 | 2,087.1 ft | 404,686 |
| 160 acres | 6,969,600 | 2,640 ft | 647,497 |
| 640 acres | 27,878,400 | 5,280 ft | 2,589,988 |
What does an acre look like?
43,560 sq ft is hard to picture. A few comparisons help: an American football field without the end zones is 48,000 sq ft (about 1.1 acres); a typical new US house is about 2,400 sq ft, so 18 of them would fit on an acre side by side; and a tennis court (2,808 sq ft) fits about 15 times.
Want to know the acreage of a real piece of land? Trace it on the satellite map acreage calculator, or enter frontage and depth in the lot size to acres calculator. Working in metric? See hectares to acres.
Frequently asked questions
How many square feet are in an acre?
Exactly 43,560 square feet. The number comes from the old definition of an acre as one chain (66 ft) by one furlong (660 ft).
How do you convert acres to square feet?
Multiply acres by 43,560. For example, 0.75 acres × 43,560 = 32,670 sq ft.
How many square feet is half an acre?
Half an acre is 21,780 sq ft, about 147.6 × 147.6 ft if square.
How many square feet is a quarter acre?
A quarter acre is 10,890 sq ft, about 104.4 ft on each side if square. A common quarter-acre lot is roughly 75 × 145 ft.
How many square feet is 2 acres?
2 acres = 87,120 sq ft.
How many houses fit on an acre?
It depends on zoning. At typical suburban lot sizes of 7,000–10,000 sq ft, about 4–5 lots fit on an acre once streets are accounted for. Check your local zoning code for the minimum lot size.