Convert square feet to acres
Enter a value in square feet (ft²) to get acres (ac). One square foot is 0.00002296 acres; one acre is 43,560 square feet.
How to use the Square foot to acre
- Type the number of square feet.
- Click Convert.
- Read the result in acres, plus the same value in every other area unit.
ft² to ac formula
acres = square feet × 0.00002296. To go the other way, square feet = acres × 43,560 (see acres to square feet).
Worked example
12 ft² × 0.00002296 = 0.00027548 ac.
Square feet to acres conversion table
| Square feet | Acres |
|---|---|
| 0.1 ft² | 0.0000023 ac |
| 0.5 ft² | 0.00001148 ac |
| 1 ft² | 0.00002296 ac |
| 2 ft² | 0.00004591 ac |
| 3 ft² | 0.00006887 ac |
| 5 ft² | 0.00011478 ac |
| 10 ft² | 0.00022957 ac |
| 20 ft² | 0.00045914 ac |
| 25 ft² | 0.00057392 ac |
| 50 ft² | 0.001148 ac |
| 100 ft² | 0.002296 ac |
| 250 ft² | 0.005739 ac |
| 500 ft² | 0.011478 ac |
| 1,000 ft² | 0.022957 ac |
About the square foot
Exactly 0.09290304 m². Property sizes in the USA, UK, India and Pakistan.
About the acre
43,560 square feet, about 0.405 hectares. Land in the USA, UK and South Asia.
Related conversions
acres to square feet · square feet to square metres · square feet to square yards · square feet to marlas · square feet to kanals · any unit.
Frequently asked questions
How many acres in a square foot?
0.00002296 acres.
How many square feet in a acre?
43,560 square feet.
Is the factor exact?
The factor 0.00002296 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.