How to use the converter
Type the area in the Area field, pick the unit it is in, and the table shows the value in every other unit right away. There is no button to press.
If you still need to measure the lot, start with the irregular land area calculator or, for lots with more than four sides, the polygon area by coordinates calculator.
Key equivalents
Every conversion goes through the square meter:
| Unit | Square meters | Square feet |
|---|---|---|
| 1 acre | 4,046.86 m² | 43,560 ft² |
| 1 hectare | 10,000 m² | 107,639 ft² |
| 1 square yard | 0.836 m² | 9 ft² |
| 1 square foot | 0.0929 m² | 1 ft² |
| 1 square kilometer | 1,000,000 m² | 10,763,910 ft² |
Worked examples
A 10-acre parcel in hectares
10 × 4,046.86 m² = 40,468.6 m², and 40,468.6 ÷ 10,000 = 4.0469 hectares.
How many acres is one hectare?
10,000 ÷ 4,046.86 = 2.4711 acres. A hectare is roughly two and a half acres.
Where the acre comes from
An acre is 66 ft × 660 ft, or 43,560 square feet. Since the international foot is exactly 0.3048 m, one acre works out to 4,046.8564224 m². That is the figure the converter uses.
The table also covers units used outside the English-speaking world: the Brazilian alqueire (24,200 m² for the São Paulo alqueire, 48,400 m² for the Minas Gerais one) and the Central American manzana (10,000 square varas, about 6,987 m²).
Frequently asked questions
How many square feet are in an acre?
43,560 square feet.
How do I convert square feet to acres?
Divide by 43,560. A 10,000 ft² lot is 10,000 ÷ 43,560 = 0.23 acres.
Is a hectare bigger than an acre?
Yes. One hectare is about 2.47 acres.