# Convert Double Square Millimeter to Double Square Inch (mm4 to in4)

In next fields, kindly type your value in the text box under title [ From: ] to convert from double square millimeter to double square inch (mm4 to in4). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].

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Definitions:

Double Square Millimeter (abbreviations: mm4, or mm 4): is the SI derived unit of area moment of inertia, a geometrical property of an area which reflects how its points are distributed with regard to an arbitrary axis.

Double Square Inch (abbreviations: in4, or in 4): is a unit in the (British) imperial and United States customary systems of measurement of area moment of inertia, a geometrical property of an area which reflects how its points are distributed with regard to an arbitrary axis.

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## How to Convert Double Square Millimeters to Double Square Inches

### Example: How many double square inches are equivalent to 16.87 double square millimeters?

As;

1 double square millimeters = 2.4024903900096E-6 double square inches

16.87 double square millimeters = Y double square inches

Assuming Y is the answer, and by criss-cross principle;

Y equals 16.87 times 2.4024903900096E-6 over 1

(i.e.) Y = 16.87 * 2.4024903900096E-6 / 1 = 4.0530012879462E-5 double square inches

Answer is: 4.0530012879462E-5 double square inches are equivalent to 16.87 double square millimeters.

### Practice Question: Convert the following units into in4:

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 14.84 mm4

( ii ) 24.71 mm4

( iii ) 80.27 mm4

References