Square feet to acres
Form 88 · Materials estimateFigures checked 2026-09-04
US customary
Measurements
What you need
Quantity · Amount- 01Areaas typed10,890 sq ft
- 02Acres43,560 sq ft per acre0.25 acres
- 03Square yards9 sq ft per sq yd1,210
- 04Square meters0.0929 m² per sq ft1,012
- 05Hectares0.4047 ha per acre0.1
Prices — put in what you were quoted
Where these figures come from
- 43,560 sq ft per acre and 0.40468564 ha per acre: international definitions.
Type the square footage, or the length and width of the lot, and read the acreage. An acre is 43,560 square feet, about 208.7 feet square, or a football field without the end zones. The sheet also shows hectares and square meters for a deed written in metric.
Worked examples
- A 10,890 sq ft lot
- 0.25 acres — acres.
- A lot 150 × 300 ft
- 1.03 acres — acres.
How it is worked out
Acres = square feet ÷ 43,560. Square meters = square feet × 0.0929. Hectares = acres × 0.4047.
The figures behind it
- 43,560 sq ft per acre and 0.40468564 ha per acre: international definitions.
Every figure here is an estimate. Materials vary with moisture, compaction and product; order a little extra and confirm quantities with your supplier.
Questions people ask
- How many square feet in an acre?
- 43,560. A quarter acre is 10,890 sq ft; a half acre 21,780; a third acre 14,520.
- How big is an acre?
- A square about 208.7 ft on a side, or 660 × 66 ft (a furlong by a chain, the historical definition). A football field between the goal lines is 1.1 acres.
- How many acres in a hectare?
- 2.471. One acre is 0.4047 hectares, or 4,047 square meters.
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