**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.

**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.

## How to Convert Feet Cube to Inches Cube

*Example: How many inches cube are equivalent to 89.16 feet cube?*

As;

1 feet cube = 1728 inches cube

89.16 feet cube = Y inches cube

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

Y equals 89.16 times 1728 over 1

(i.e.) Y = 89.16 * 1728 / 1 = 154068.48 inches cube

Answer is: 154068.48 inches cube are equivalent to 89.16 feet cube.

*Practice Question: Convert the following units into in3:*

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

( i ) 21.71 ft3

( ii ) 18.45 ft3

( iii ) 81.95 ft3