Acres to Square Feet Converter
Convert acres to square feet instantly — 1 acre = 43,560 sq ft exactly. Bidirectional, with a table for common plot sizes from 0.1 to 100 acres.
About the Acres to Square Feet Converter
This free acres to square feet converter uses the exact definition 1 acre = 43,560 square feet. Enter acres to get square feet, or type square feet to go the other way — the conversion updates live as you type.
The acre is the standard unit for farmland, ranches and large residential lots in the US and Pakistan, while builders, surveyors and county records often work in square feet. Converting matters when a listing says "0.25-acre lot" and you want to picture it (10,890 sq ft), or when subdividing land into house plots.
The reference table covers common sizes from a tenth of an acre to 100 acres. For context, an acre is roughly 75% of an American football field, or a square about 208.7 feet on each side.
How to Use the Acres to Square Feet Converter
- 1Enter a value in acres — square feet appear instantly.
- 2Or type square feet to convert back to acres.
- 3Copy the result, or scan the table for common lot sizes.
Frequently Asked Questions
How many square feet are in 1 acre?
1 acre equals exactly 43,560 square feet. The definition comes from the traditional furlong-by-chain plot: 660 ft × 66 ft = 43,560 sq ft. It also equals 4,840 square yards or about 4,046.86 square meters.
How many square feet is half an acre?
Half an acre is 21,780 square feet, and a quarter acre is 10,890 square feet. A typical suburban lot of 0.2 acres is 8,712 sq ft, while 2 acres is 87,120 sq ft.
How many kanal and marla are in an acre?
In Pakistan, 1 acre equals 8 kanal or 160 marla. With the common 225 sq ft marla, that gives 36,000 sq ft per acre by the local convention; under the traditional 272.25 sq ft marla, 160 marla equals exactly 43,560 sq ft — matching the international acre.
How big is an acre visually?
An acre is a square about 208.71 feet (63.6 m) on each side. It is roughly 75% of an American football field including end zones, about 16 tennis courts, or a little over half a standard FIFA football pitch.
How do I convert square feet back to acres?
Divide square feet by 43,560. For example, a 15,000 sq ft lot is 15,000 ÷ 43,560 = 0.344 acres. This converter handles it automatically when you type into the square feet field.