Acre to Square Feet Converter
Convert acres to square feet. One acre equals exactly 43,560 square feet.
The acre is a traditional unit of land area equal to 43,560 square feet (4,840 square yards, or about 0.405 hectare). Historically it was the area a yoke of oxen could plough in a day. This converter turns acres into square feet, square metres and hectares.
How to convert acres to square feet
Square feet = acres × 43,560
| Acres | Square feet |
|---|---|
| 0.5 acre | 21,780 sq ft |
| 1 acre | 43,560 sq ft |
| 2 acres | 87,120 sq ft |
| 5 acres | 217,800 sq ft |
Worked example
A 2.5-acre plot: 2.5 × 43,560 = 108,900 square feet (about 1.01 hectares).
Acre in context
The acre remains the standard for farmland and larger residential plots in the US, UK, India and much of the Commonwealth. Knowing it equals 43,560 sq ft makes it easy to compare an acre against a plot or building area quoted in square feet.
Frequently asked questions
How many square feet in an acre?
Exactly 43,560 square feet.
How many acres is 10,000 sq ft?
About 0.2296 acre (10,000 ÷ 43,560).
How many square yards in an acre?
4,840 square yards.
Is an acre a fixed size?
Yes — the international acre is fixed at 43,560 square feet everywhere.
Related converters
Conversions use standard internationally-agreed factors and are for general guidance.