**Definitions:**

**Inch Cube** (abbreviations: **in3, or ci**): is the volume of a cube with each of its three dimensions (length, width, and depth) being one inch long.

**Millimeter Cube** (abbreviation: **mm3**): is the SI derived unit of volume. It is the volume of a cube with edges one millimeter in length.

## How to Convert Inches Cube to Millimeters Cube

*Example: How many millimeters cube are equivalent to 22.35 inches cube?*

As;

1 inches cube = 16387.064 millimeters cube

22.35 inches cube = Y millimeters cube

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

Y equals 22.35 times 16387.064 over 1

(i.e.) Y = 22.35 * 16387.064 / 1 = 366250.8804 millimeters cube

Answer is: 366250.8804 millimeters cube are equivalent to 22.35 inches cube.

*Practice Question: Convert the following units into mm3:*

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

( i ) 69.73 in3

( ii ) 20.83 in3

( iii ) 27.66 in3