pound per cubic inch Unit | All you need to know
What Is a Pound per Cubic Inch?
The pound per cubic inch (symbol: lb/in³) is a unit of density that expresses the mass of a substance contained in one cubic inch of volume. One pound per cubic inch means that one avoirdupois pound of material occupies a volume of one cubic inch. This unit belongs to the Imperial and U.S. customary systems and is commonly used in engineering and material science.
Density measures the amount of mass contained in a given volume. Because the cubic inch is a relatively small unit of volume, pound per cubic inch is suitable for expressing the density of metals, alloys, and other dense materials using customary units.
History of the Pound per Cubic Inch
The pound per cubic inch originated from the Imperial and U.S. customary systems of measurement. It has long been used in manufacturing, mechanical engineering, metallurgy, and industrial applications where dimensions are commonly measured in inches and weight is expressed in pounds.
Current Uses of the Pound per Cubic Inch
Today, pound per cubic inch is used in mechanical engineering, aerospace, automotive manufacturing, metallurgy, machining, and material testing. It is commonly used to specify the density of metals, heavy alloys, ceramics, composites, and engineering materials.
Pound per Cubic Inch Conversion
One pound per cubic inch is equal to:
- 27,679.90 kilograms per cubic meter (kg/m³)
- 27.6799 grams per cubic centimeter (g/cm³)
- 1,728 pounds per cubic foot (lb/ft³)
- 16 ounces per cubic inch (oz/in³)
You can use ChangeUnit to convert pounds per cubic inch to kilograms per cubic meter, grams per cubic centimeter, pounds per cubic foot, and many other density units.