**Definitions:**

**Double Square Meter** (abbreviations: **m4, or m 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 Meters to Double Square Inches

*Example: How many double square inches are equivalent to 29.77 double square meters?*

As;

1 double square meters = 2402509.9175501 double square inches

29.77 double square meters = Y double square inches

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

Y equals 29.77 times 2402509.9175501 over 1

(i.e.) Y = 29.77 * 2402509.9175501 / 1 = 71522720.245466 double square inches

Answer is: 71522720.245466 double square inches are equivalent to 29.77 double square meters.

*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 ) 21.3 m4

( ii ) 29.51 m4

( iii ) 97.01 m4