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Cubic inch
 
 
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A cubic inch is a non-SI
International System of Units

The International System of Units is the modern form of the metric system and is generally a system devised around the convenience of the number ten....
 unit
Units of measurement

The definition, agreement and practical use of units of measurement have played a crucial role in human endeavour from early ages up to this day....
 of volume
Volume

The volume of any solid, liquid, plasma, vacuum or theoretical object is how much three-dimensional space it occupies, often quantified numerically....
, equal to the volume of a cube
Cube

A cube is a three-dimensional space solid object bounded by six square faces, facets or sides, with three meeting at each wikt:vertex. The cube can also be called a Regular polyhedron hexahedron and is one of the five Platonic solids....
 with sides of one inch
Inch

An inch is the name of a Units of measurement of length in a number of different systems, including Imperial units, and United States customary units....
.

Cubic inches are still sometimes used as a unit of measurement (in engineering contexts, not household contexts) in the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 and Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, although SI is continuing to gradually displace non-SI usage.


bic inch (assuming an international inch
Inch

An inch is the name of a Units of measurement of length in a number of different systems, including Imperial units, and United States customary units....
) is equal to:

Electrical box volume The cubic inch was established decades ago as the conventional unit in the U.S.






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Encyclopedia


A cubic inch is a non-SI
International System of Units

The International System of Units is the modern form of the metric system and is generally a system devised around the convenience of the number ten....
 unit
Units of measurement

The definition, agreement and practical use of units of measurement have played a crucial role in human endeavour from early ages up to this day....
 of volume
Volume

The volume of any solid, liquid, plasma, vacuum or theoretical object is how much three-dimensional space it occupies, often quantified numerically....
, equal to the volume of a cube
Cube

A cube is a three-dimensional space solid object bounded by six square faces, facets or sides, with three meeting at each wikt:vertex. The cube can also be called a Regular polyhedron hexahedron and is one of the five Platonic solids....
 with sides of one inch
Inch

An inch is the name of a Units of measurement of length in a number of different systems, including Imperial units, and United States customary units....
.

Cubic inches are still sometimes used as a unit of measurement (in engineering contexts, not household contexts) in the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 and Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, although SI is continuing to gradually displace non-SI usage.

Notation conventions


The following symbols are used to denote cubic inches:
  • cubic in
  • cu inches, cu inch, cu in
  • inches/-3, inch/-3, in/-3
  • inches^3, inch^3, in^3
  • inches³ ,inch³, in³
  • c.i., CI
  • c.i.d., cid, CID —for cubic inch displacement
    Engine displacement

    Engine displacement is the volume swept by the all pistons of an engine in a single movement from top dead center to bottom dead center....
     in internal combustion engine
    Internal combustion engine

    The internal combustion engine is an engine in which the combustion of a fuel occurs in a combustion chamber inside and integral to the engine. In an internal combustion engine it is always the expansion of the high temperature and pressure gases that are produced by the combustion which apply force to the movable component of the engine, such as...
    s


Equivalence with other units of volume

1 cubic inch (assuming an international inch
Inch

An inch is the name of a Units of measurement of length in a number of different systems, including Imperial units, and United States customary units....
) is equal to:
  • 0.000578703703703 cubic feet (1 cu ft
    Cubic foot

    The cubic foot is an Imperial unit and United States customary units unit of volume, used in the United States, Canada and the United Kingdom. It is defined as the volume of a cube with sides of one foot in length.|-...
     equals 1,728 cu in)
  • about 0.554112552 U.S. fluid ounce
    Fluid ounce

    A fluid ounce is a unit of volume in both the Imperial unit and the United States customary units systems. It is common to refer to the unit simply as an ounce, especially in cases where no confusion with the unit of mass is likely to occur....
    s
  • about 0.069264069 U.S. cup
    Cup (unit)

    The cup is a Units of measurement for volume, used in cooking to measure bulk foods, such as granulated sugar , and liquids . It is in common use in the United States and nations influenced by them, such as Japan....
    s
  • about 0.000465025413 U.S. bushel
    Bushel

    A bushel is a unit of dry measure, usually subdivided into eight local gallons in the systems of Imperial units and U.S. customary units. It is used for volumes of dry measure commodity, not liquids, most often in agriculture....
    s
  • about 0.004329 U.S. liquid gallon
    Gallon

    A gallon is a measure of volume of approximately four litres. Historically it has had many different definitions, but there are three definitions in current use....
    s (1 gallon equals 231 cu in exactly [3 in × 7 in × 11 in])
  • about 0.00010307 crude barrel
    Barrel

    A barrel or cask is a hollow Cylinder container, traditionally made of wood staves and bound with iron hoops. The term "barrel" typically refers to wooden vessels that are small enough to be moved by hand, up to puncheon size ....
    s (1 barrel equals 42 gallons, or 9702 cu in)
  • exactly 0.016387064 litre
    Litre

    The litre or liter is a unit of volume. There are two official symbols: the Latin letter L in lower and upper case . The lower case L is often written as a cursive l to avoid confusion with the number 1 in antiqua fonts....
    s (1 L is about 61 cu in [exactly 61.0237441 cu in])
  • exactly 16.387064 millilitres or cubic centimetre
    Cubic centimetre

    A cubic centimetre or cubic centimeter is a commonly used unit of volume extending the derived International System of Units-unit cubic metre and corresponds to the volume of a cube measuring 1?1?1 cm....
    s (which in turn are about 0.061 cu in)
  • exactly 0.000016387064 cubic metre
    Cubic metre

    The cubic metre is the SI derived unit of volume. It is the volume of a cube with edges one metre in length. An alternative name, which allowed a different usage with SI prefix, was the st?re....
    s (1 m³ is about 61,023.75 cu in)


Uses of the cubic inch


Electrical box volume

The cubic inch was established decades ago as the conventional unit in the U.S. for measuring the volume of electrical boxes; SI has not yet replaced it for this purpose.

Engine displacement

The cubic inch was formerly used (until the 1980s) to express the nominal size (displacement)
Engine displacement

Engine displacement is the volume swept by the all pistons of an engine in a single movement from top dead center to bottom dead center....
 of engines (e.g. 426 HEMI) for new cars, trucks, etc. It is therefore still used for this purpose in the context of the classic-car hobby, auto racing, and so forth. The auto industry nowadays uses SI
International System of Units

The International System of Units is the modern form of the metric system and is generally a system devised around the convenience of the number ten....
 for this purpose (e.g. 6.1 L HEMI). For more information and a list of CID-to-liter conversions, see engine displacement
Engine displacement

Engine displacement is the volume swept by the all pistons of an engine in a single movement from top dead center to bottom dead center....
.

See also


  • 1 E-2 m³
    1 E-2 m³

    To help compare different orders of magnitudes this page lists volumes between 0.01 and 0.1 cubic metre . See also orders of magnitude .*1 E-3 m?...
     for a comparison with other volumes
  • Orders of magnitude (volume)
    Orders of magnitude (volume)

    The pages linked in the right-hand column contain lists of volumes that are of the same orders of magnitude . Rows in the table represent increasing powers of a thousand....
  • Conversion of units
    Conversion of units

    Conversion of units refers to conversion factors between different units of measurement for the same quantity....
  • Square inch
    Square inch

    A square inch is a Units of measurement of area, equal to the area of a Square with sides of one inch. The following symbols are used to denote square inches:...