Acres to Square Feet Converter
Multiply acres by 43,560 to get square feet — an exact figure, since an acre is defined as 43,560 sq ft.
Formula
1 ac = 43,560 ft²
square feet = acres × 43,560
Worked example
Convert 0.25 acres to square feet
- Multiply by 43,560
- 0.25 × 43,560 = 10,890
0.25 ac = 10,890 ft²
Good to know
Real-estate listings often give lot sizes in acres. A quarter-acre lot is 10,890 sq ft — for example about 99 ft × 110 ft. An acre has no fixed shape; historically it was a strip one furlong (660 ft) long and one chain (66 ft) wide, and 660 × 66 = 43,560.
Conversion table
| Acres (ac) | Square feet (ft²) |
|---|---|
| 0.1 | 4,356 |
| 0.125 | 5,445 |
| 0.2 | 8,712 |
| 0.25 | 10,890 |
| 0.33 | 14,374.8 |
| 0.5 | 21,780 |
| 0.75 | 32,670 |
| 1 | 43,560 |
| 1.5 | 65,340 |
| 2 | 87,120 |
| 5 | 217,800 |
| 10 | 435,600 |
About these units
- Acre (ac)
- Exactly 43,560 square feet (4,046.8564224 m²). Traditionally a strip one furlong by one chain.
- Square foot (ft²)
- A square 1 foot on each side: exactly 0.09290304 m². Used for floor space in the US.