››Convert square mil to square mile [nautical]

 square mil square mile [nautical]

 Did you mean to convert square mil to square mile square mile [nautical] square mile [survey, U.S. statute]

How many square mil in 1 square mile [nautical]? The answer is 5.3163618327237E+15.
We assume you are converting between square mil and square mile [nautical].
You can view more details on each measurement unit:
square mil or square mile [nautical]
The SI derived unit for area is the square meter.
1 square meter is equal to 1550003100.0062 square mil, or 2.9155334959812E-7 square mile [nautical].
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square mil and square mile [nautical].
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››Definition: Square mil

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

The definition of a mil is as follows:

A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).

Compass use of mils typically rounds 6283 to 6400 for simplification, but here we use the official definition.

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