## ››Convert square microinch to square mil

 square microinch square mil

How many square microinch in 1 square mil? The answer is 1000000.
We assume you are converting between square microinch and square mil.
You can view more details on each measurement unit:
square microinch or square mil
The SI derived unit for area is the square meter.
1 square meter is equal to 1.5500031000062E+15 square microinch, or 1550003100.0062 square mil.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square microinches and square mil.
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You can do the reverse unit conversion from square mil to square microinch, 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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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!