**Definitions:**

**Foot Cube** (abbreviations: **ft3, or cf**): is the volume of a cube with sides of one foot (0.3048 m) in length. Its volume is equal to 28.3168 liters or about 1/35 of a cubic meter.

**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 Feet Cube to Millimeters Cube

*Example: How many millimeters cube are equivalent to 40.23 feet cube?*

As;

1 feet cube = 28316800 millimeters cube

40.23 feet cube = Y millimeters cube

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

Y equals 40.23 times 28316800 over 1

(i.e.) Y = 40.23 * 28316800 / 1 = 1139184864 millimeters cube

Answer is: 1139184864 millimeters cube are equivalent to 40.23 feet 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 ) 40.23 ft3

( ii ) 86.27 ft3

( iii ) 85.64 ft3