How many square decimeter in 1 square mile?
The answer is 258998811.0336.
We assume you are converting between square decimetre and square mile.
You can view more details on each measurement unit: square decimeter or
square mile
The SI derived unit for area is the square meter.
1 square meter is equal to 100 square decimeter, or 3.8610215854245E-7 square mile.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square decimeters and square miles.
Type in your own numbers in the form to convert the units!

A square mile is defined as the area of a square
with sides one mile in length.

The definition of a mile is as follows:

A mile is any of several units of distance, or, in physics terminology, of length. Today, one mile is mainly equal to about 1609 m on land and 1852 m at sea and in the air, but see below for the details. The abbreviation for mile is 'mi'. There are more specific definitions of 'mile' such as the metric mile, statute mile, nautical mile, and survey mile. On this site, we assume that if you only specify 'mile' you want the statute mile.

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