Area conversion
Square feet to acres converter
Convert square feet to acres for lots, fields, yards and land measurements.
Quick farm area converter
Uses exact NIST-based area constants.
Exact conversion
acres = square feet ÷ 43,560
One acre is exactly 43,560 square feet.
Common square feet to acres values
| Square feet | Acres | Hectares |
|---|---|---|
| 1,000 | 0.022957 | 0.009290 |
| 2,500 | 0.057392 | 0.023226 |
| 5,000 | 0.114784 | 0.046452 |
| 10,000 | 0.229568 | 0.092903 |
| 21,780 | 0.500000 | 0.202343 |
| 43,560 | 1.000000 | 0.404686 |
| 87,120 | 2.000000 | 0.809371 |
| 217,800 | 5.000000 | 2.023428 |
| 435,600 | 10.000000 | 4.046856 |
| 1,000,000 | 22.956841 | 9.290304 |
FAQ
How many square feet are in an acre?
One acre equals exactly 43,560 square feet.
How do I convert square feet to acres?
Divide square feet by 43,560.
Is 43,560 exact?
Yes, the acre is defined as 43,560 square feet.