**Definitions:**

**Double Square Centimeter** (abbreviations: **cm4, or cm 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.

## How to Convert Double Square Centimeters to Double Square Inches

*Example: How many double square inches are equivalent to 12.15 double square centimeters?*

As;

1 double square centimeters = 0.024025147994538 double square inches

12.15 double square centimeters = Y double square inches

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

Y equals 12.15 times 0.024025147994538 over 1

(i.e.) Y = 12.15 * 0.024025147994538 / 1 = 0.29190554813364 double square inches

Answer is: 0.29190554813364 double square inches are equivalent to 12.15 double square centimeters.

*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 ) 74.54 cm4

( ii ) 9.89 cm4

( iii ) 32.82 cm4