Square Feet to Acre Converter
Convert square feet to acres. Divide square feet by 43,560 — the number of square feet in an acre.
An acre is defined as 43,560 square feet, so to convert square feet to acres you divide by 43,560. This converter also shows hectares and square metres.
How to convert square feet to acres
Acres = square feet ÷ 43,560
| Square feet | Acres |
|---|---|
| 10,000 sq ft | 0.2296 acre |
| 21,780 sq ft | 0.5 acre |
| 43,560 sq ft | 1 acre |
| 100,000 sq ft | 2.2957 acres |
Worked example
A 30,000 sq ft plot: 30,000 ÷ 43,560 = 0.6887 acre.
Why convert square feet to acres?
Plot and land areas are often listed in square feet but bought and sold in acres, especially for larger parcels. Dividing by 43,560 gives the acreage instantly.
Frequently asked questions
How many acres is 10,000 sq ft?
About 0.2296 acre.
How many square feet in an acre?
43,560 square feet.
How many acres is 43,560 sq ft?
Exactly 1 acre.
Is an acre a fixed size?
Yes — 43,560 square feet everywhere.
Related converters
Conversions use standard internationally-agreed factors and are for general guidance.