Acres to Square Feet Converter
1 acre = 43,560 square feet.
Enter a value
Result
1 acre =
43,560 ft²
1 ac × 43,560 = 43,560 ft²
1 ft² = 0.09290304 m² exactly
The working
- 1. Convert 1 ac to square metres: 1 × 4,046.86 = 4,046.86.
- 2. Convert to ft²: 4,046.86 ÷ 0.092903 = 43,560.
1 ac in every unit
Sizes for scale
- Studio flat
- 37 m² (400 ft²)
- Tennis court
- 261 m²
- Football pitch
- 7,140 m²
- One acre
- 4,047 m²
Conversion table
Acres to Square feet
| Acres | Square feet |
|---|---|
| 0.1 | 4,356 |
| 0.25 | 10,890 |
| 0.33 | 14,375 |
| 0.5 | 21,780 |
| 0.75 | 32,670 |
| 1 | 43,560 |
| 1.5 | 65,340 |
| 2 | 87,120 |
| 5 | 217,800 |
| 10 | 435,600 |
Square feet to Acres
| Square feet | Acres |
|---|---|
| 0.1 | 2.2957e-6 |
| 0.25 | 5.7392e-6 |
| 0.33 | 7.5758e-6 |
| 0.5 | 1.1478e-5 |
| 0.75 | 1.7218e-5 |
| 1 | 2.2957e-5 |
| 1.5 | 3.4435e-5 |
| 2 | 4.5914e-5 |
| 5 | 0.00011478 |
| 10 | 0.00022957 |
Formula and worked example
square feet = acres × 43,560 (1 acre is exactly 4,046.8564224 m²; 1 square foot is exactly 0.09290304 m²).
Convert 1 acre to square feet: 1 × 43,560 = 43,560 ft².
When you need this
Developers and buyers compare plot sizes in acres with building footprints in square feet. One acre is 43,560 square feet.
Questions people ask
How many square feet are in a acre?
One acre is 43,560 square feet. 1 acre is exactly 4,046.8564224 m².
How do I convert acres to square feet?
Multiply the number of acres by 43,560.
What is 1 ac in ft²?
1 acre is 43,560 square feet.
How do I convert square feet back to acres?
Multiply by 2.2956841e-5: one square foot is 2.2956841e-5 acres.
Related conversions
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.
Spotted a mistake? Tell us and we'll check it. How we check our calculators