**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.

**US Barrel Oil** (abbreviations: **US brl, or bbl**): is a unit of volume which is equivalent to 42 US gallons, or 35 imperial gallons, approx. 159 litres[10], as per United States.

## How to Convert Inches Cube to US Barrels Oil

*Example: How many US barrels oil are equivalent to 1.21 inches cube?*

As;

1 inches cube = 0.000103 US barrels oil

1.21 inches cube = Y US barrels oil

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

Y equals 1.21 times 0.000103 over 1

(i.e.) Y = 1.21 * 0.000103 / 1 = 0.00012463 US barrels oil

Answer is: 0.00012463 US barrels oil are equivalent to 1.21 inches cube.

*Practice Question: Convert the following units into us brl:*

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

( i ) 6.79 in3

( ii ) 21.81 in3

( iii ) 80.62 in3