**Definitions:**

**Pound Per Cubic Inch** (abbreviations: **lb/in3, or ppi3**): is a unit of density, defined by mass in pound divided by volume in cubic inch

**Pound Per Cubic Foot** (abbreviations: **lb/ft3, or ppf3**): is a unit of density, defined by mass in pound divided by volume in cubic foot

## How to Convert Pounds Per Cubic Inches to Pounds Per Cubic Feet

*Example: How many pounds per cubic feet are equivalent to 53.34 pounds per cubic inches?*

As;

1 pounds per cubic inches = 1727.115716753 pounds per cubic feet

53.34 pounds per cubic inches = Y pounds per cubic feet

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

Y equals 53.34 times 1727.115716753 over 1

(i.e.) Y = 53.34 * 1727.115716753 / 1 = 92124.352331606 pounds per cubic feet

Answer is: 92124.352331606 pounds per cubic feet are equivalent to 53.34 pounds per cubic inches.

*Practice Question: Convert the following units into lb/ft3:*

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

( i ) 2.64 lb/in3

( ii ) 85 lb/in3

( iii ) 99.1 lb/in3