## ››Convert square mil to square millimicron

 square mil square millimicron

How many square mil in 1 square millimicron? The answer is 1.5500031000062E-9.
We assume you are converting between square mil and square millimicron.
You can view more details on each measurement unit:
square mil or square millimicron
The SI derived unit for area is the square meter.
1 square meter is equal to 1550003100.0062 square mil, or 1.0E+18 square millimicron.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square mil and square millimicrons.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of square mil to square millimicron

1 square mil to square millimicron = 645160000 square millimicron

2 square mil to square millimicron = 1290320000 square millimicron

3 square mil to square millimicron = 1935480000 square millimicron

4 square mil to square millimicron = 2580640000 square millimicron

5 square mil to square millimicron = 3225800000 square millimicron

6 square mil to square millimicron = 3870960000 square millimicron

7 square mil to square millimicron = 4516120000 square millimicron

8 square mil to square millimicron = 5161280000 square millimicron

9 square mil to square millimicron = 5806440000 square millimicron

10 square mil to square millimicron = 6451600000 square millimicron

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You can do the reverse unit conversion from square millimicron to square mil, or enter any two units below:

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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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