**How big is an acre? **43560 square feet is an acre.

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Let us examine the acre which is a popular term for calculating the size of lands. It could be that you heard someone is selling a specific number of acres of land and you are wondering what is the actual size. Is it big or is it small? It could be that your math papers require you to find out acres to all the units possible like square meters and square feet.

You should keep in mind when dealing with acres that it can be in any shape like circles, square or rectangle. The rule is that it has to be 43 560 square feet no matter what its shapes. A regular shape of an acre is 660 feet by 66 feet. It is a usually misinterpreted information when looking for plots for a new home is that you should have minimum 1 acre of land in order to start construction.

Let us find by calculating:

660 feet X 66 feet = 42 560 square feet

Two feet make square feet.

If you are thinking of converting into other units, then you can first convert into another unit popular for measuring land which is the yard. It is 4840 square yard. There are two basic ways. One of them is through calculation and other is using formulae.

**The first method**

There are 0.00020661 acres in a square yard which means you have to multiply this with 4840 to get the result.

The result will be 0.9999924 which is approximately equal to 1.

0.00020661 X 4840 = 0.9999924 (approx. 1)

The second method

acres = feet square ÷ 4,840

The formula to convert from acres to ft. square is:

Feet square = acres x 4,840

If you are calculating in miles, then you should know that 1 acre is 0.0015625 square mile. 1 square mile is equal to 540 acres. To find out multiply by the factor or use the line “1 Square mile = 640 acre” Square mile is another popular unit used in both the British and American systems used to measure land. It goes like this, 1 square mile is 640 acres and 2 square miles is 1280 acre, 3 square miles is 1920 acre and so on.

To be more precise, 1 acre is 90 percent of a hundred yard or 91.44 meters long by 53.33 yards (48.76 meters) wide American field for football excluding the end zones. If you take into account the end zones, it will be about 1.32 acres.

1 Acre = 43,560 square feet

1 Acre = 160 square rods

1 Acre = 10 square chains

1 Acre = 160 square rods

1 Acre = 160 perches 1 Acre = 160 poles

1 Acre = .4047 hectare

1 Acre = 4047 square meters

1 Acre = is about 208 3/4 feet square

If you can remember them, you will be able to calculate the size of an acre using any formula.