Cubic inch

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Cubic inch

A cubic inch (plural: cubic inches) is a unit of volume in the imperial and US customary measurement systems. It is the volume of a cube with each of its three dimensions (length, width, and height) being one inch long. The cubic inch is still used in the United States, particularly in the field of automotive engineering to describe the engine displacement of internal combustion engines.

Definition

One cubic inch is defined as the volume of a cube with sides of one inch (2.54 cm) in length. Mathematically, it is expressed as:

1 in³ = 1 in × 1 in × 1 in = 1 in³

Conversion

The cubic inch can be converted to other units of volume. Some common conversions include:

• 1 cubic inch = 16.387064 cubic centimeters (cm³)
• 1 cubic inch = 0.0005787037037037 cubic feet (ft³)
• 1 cubic inch = 0.55411255411255 fluid ounces (US fl oz)

Applications

Automotive Engineering

In the automotive industry, the cubic inch is commonly used to describe the engine displacement of internal combustion engines. Engine displacement is the total volume of all the cylinders in an engine and is an important factor in determining the power and efficiency of the engine. For example, a 350 cubic inch engine is a common size for V8 engines in American muscle cars.

Other Uses

While less common, the cubic inch is also used in other fields such as aerospace engineering, manufacturing, and woodworking to measure the volume of various objects and materials.

Related Units

• Cubic centimeter
• Cubic foot
• Liter
• Gallon

See Also

• Volume
• Imperial units
• United States customary units
• Engine displacement
• Internal combustion engine

External Links

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