## Convert square millimetre to square mil

 square millimeter square mil

How many square millimeter in 1 square mil? The answer is 0.00064516.
We assume you are converting between square millimetre and square mil.
You can view more details on each measurement unit:
square millimeter or square mil
The SI derived unit for area is the square meter.
1 square meter is equal to 1000000 square millimeter, 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 millimeters and square mil.
Type in your own numbers in the form to convert the units!

## Quick conversion chart of square millimeter to square mil

1 square millimeter to square mil = 1550.0031 square mil

2 square millimeter to square mil = 3100.0062 square mil

3 square millimeter to square mil = 4650.0093 square mil

4 square millimeter to square mil = 6200.0124 square mil

5 square millimeter to square mil = 7750.0155 square mil

6 square millimeter to square mil = 9300.0186 square mil

7 square millimeter to square mil = 10850.0217 square mil

8 square millimeter to square mil = 12400.0248 square mil

9 square millimeter to square mil = 13950.0279 square mil

10 square millimeter to square mil = 15500.031 square mil

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You can do the reverse unit conversion from square mil to square millimeter, 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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