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.
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.
How to Convert Double Square Inches to Double Square Meters
Example: How many double square meters are equivalent to 8.68 double square inches?
As;
1 double square inches = 4.162314256E-7 double square meters
8.68 double square inches = Y double square meters
Assuming Y is the answer, and by criss-cross principle;
Y equals 8.68 times 4.162314256E-7 over 1
(i.e.) Y = 8.68 * 4.162314256E-7 / 1 = 3.612888774208E-6 double square meters
Answer is: 3.612888774208E-6 double square meters are equivalent to 8.68 double square inches.
Practice Question: Convert the following units into m4:
N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.
( i ) 79.88 in4
( ii ) 86.8 in4
( iii ) 59.31 in4
