Information about Cubic Inches
A cubic inch (plural: cubic inches) is a non-SI unit of volume, equal to the volume of a cube with sides of one inch.
Cubic inches are still sometimes used as a unit of measurement (in engineering contexts, not household contexts) in the United States and United Kingdom, although SI is continuing to gradually displace non-SI usage.
An inch (plural: inches; symbol or abbreviation: in or, sometimes,
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An inch (plural: inches; symbol or abbreviation: in or, sometimes,
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Cubic inches are still sometimes used as a unit of measurement (in engineering contexts, not household contexts) in the United States and United Kingdom, 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.
- c.i.d. or CID, for cubic inch displacement, in internal combustion engines
Equivalence with other units of volume
1 cubic inch (assuming an international inch) is equal to:- 0.000578703703703 cubic feet (1 ft³ equals 1,728 in³)
- about 0.554112552 U.S. fluid ounces
- about 0.069264069 U.S. cups
- about 0.000465025413 U.S. bushels
- about 0.004329 U.S. liquid gallons (1 gallon equals 231 in³)
- about 0.00010307 crude barrels (1 barrel equals 42 gallons, or 9702 in³)
- exactly 0.016387064 litres (1 L is about 61 in³)
- exactly 16.387064 millilitres or cubic centimetres (which in turn are about 0.061 in³)
- exactly 0.000016387064 cubic metres (1 m³ is about 61,023.75 in³)
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 size (displacement) of engines 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 for this purpose.) Some examples of common c.i.-to-litre conversions are given below. Note that nominal sizes are not always precisely equal to actual sizes. This principle is frequently seen in engineering, tool standardization, etc. (for ease of use) and in marketing (when a big round number sounds more impressive, is more memorable, etc.).| Make (±Division) | c.i. (actual) (nearest 1) | c.i. (nominal) | SI (actual) (nearest 0.01) | SI (nominal) |
|---|---|---|---|---|
| Honda, Kawasaki, others | something close to 61 c.i. | NA (not marketed in c.i.) | [something close to SI nominal] | 1000 cc (= 1.0 L) |
| Honda, Kawasaki, others | something close to 98 c.i. | NA (not marketed in c.i.) | [something close to SI nominal] | 1600 cc (= 1.6 L) |
| Honda, Kawasaki, others; Ford | something close to 122 c.i. | NA (not marketed in c.i.) | [something close to SI nominal] | 2000 cc (= 2.0 L) |
| GM (Pontiac, Buick, Oldsmobile, GMC, others) | 151 c.i. | NA (not marketed in c.i.) | [something close to SI nominal] | 2.5 L |
| Toyota, Ford, Chrysler, others | something close to 183 c.i. | NA (not marketed in c.i.) | [something close to SI nominal] | 3.0 L |
| Ford | something close to 244 c.i. | NA (not marketed in c.i.) | [something close to SI nominal] | 4.0 L |
| Ford (Ford, Mercury) | [something close to c.i. nominal] | 250 c.i. | 4.10 L | 4.1 L |
| Ford (Ford, Mercury) | [something close to c.i. nominal] | 289 c.i. | 4.74 L | NA (not marketed in SI) |
| Ford (Ford trucks and vans) | [something close to c.i. nominal] | 300 c.i. | 4.92 L | 4.9 L |
| Ford, GM (Chevrolet) | [something close to c.i. nominal] | 302 c.i. | 4.95 L | 5.0 L |
| GM (Chevrolet; others?) | 307 c.i. | 307 c.i. | 5.03 L | NA (not marketed in SI) |
| GM (Oldsmobile) | 307 c.i. | NA (not marketed in c.i.) | 5.03 L | 5.0 L |
| GM (GMC, Chevrolet, Buick, Oldsmobile, Pontiac, others) | [something close to c.i. nominal] | 350 c.i. | 5.74 L | 5.7 L |
| Ford (Ford, Mercury) | [something close to c.i. nominal] | 351 c.i. | 5.75 L | NA (not marketed in SI) |
| Chrysler (Chrysler, Dodge, Plymouth) | [something close to c.i. nominal] | 360 c.i. | 5.90 L | 5.9 L |
| Chrysler (Chrysler, Dodge, Plymouth) | [something close to c.i. nominal] | 383 c.i. | 6.28 L | NA (not marketed in SI) |
| GM (Chevrolet) | [sometimes 396 c.i., sometimes 402 c.i.] | 396 c.i. | 6.49 L | NA (not marketed in SI) |
| GM (Chevrolet) | [something close to c.i. nominal] | 409 c.i. | 6.70 L | NA (not marketed in SI) |
| Chrysler (Chrysler, Dodge, Plymouth) | [something close to c.i. nominal] | 426 c.i. | 6.98 L | 7.0 L |
| Ford (Ford, Mercury) | [something close to c.i. nominal] | 427 c.i. | 7.00 L | 7.0 L |
| Ford (Ford, Mercury) | [something close to c.i. nominal] | 428 c.i. | 7.01 L | 7.0 L |
| Ford (Ford, Mercury) | [something close to c.i. nominal] | 429 c.i. | 7.03 L | 7.0 L |
| Chrysler (Chrysler, Dodge, Plymouth) | [something close to c.i. nominal] | 440 c.i. | 7.21 L | 7.2 L |
| GM (GMC, Chevrolet) | [something close to c.i. nominal] | 454 c.i. | 7.44 L | 7.4 L |
| GM (Buick, Oldsmobile, Pontiac) | [something close to c.i. nominal] | 455 c.i. | 7.46 L | NA (not marketed in SI) |
| Ford (Ford [trucks and vans]; Lincoln [cars]) | [something close to c.i. nominal] | 460 c.i. | 7.54 L | 7.5 L |
| GM (Cadillac) | [something close to c.i. nominal] | 472 c.i. | 7.73 L | 7.7 L |
| GM (Cadillac) | [something close to c.i. nominal] | 500 c.i. | 8.19 L | 8.2 L |
See also
- 1 E-2 m³ for a comparison with other volumes
- Orders of magnitude (volume)
- Conversion of units
- Square inch
International System of Units (abbreviated SI from the French Le Système international d'unités) is the modern form of the metric system.
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units of measurement have played a crucial role in human endeavour from early ages up to this day. Disparate systems of measurement used to be very common. Now there is a global standard, the International System (SI) of units, the modern form of the metric system.
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The volume of a solid object is the three-dimensional concept of how much space it occupies, often quantified numerically. One-dimensional figures (such as lines) and two-dimensional shapes (such as squares) are assigned zero volume in the three-dimensional space.
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cube[1] is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each . The cube can also be called a regular hexahedron and is one of the five Platonic solids.
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1 inch =
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd
An inch (plural: inches; symbol or abbreviation: in or, sometimes,
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Motto
"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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Motto
"Dieu et mon droit" [2] (French)
"God and my right"
Anthem
"God Save the Queen" [3]
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"Dieu et mon droit" [2] (French)
"God and my right"
Anthem
"God Save the Queen" [3]
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Cid is a name:
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- El Cid, Spanish nobleman and national hero in the time of the Reconquista
- Cid (Final Fantasy), a "recurring character" of sorts in the Final Fantasy series of computer role-playing games.
- CID is an acronym.
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Engine displacement is defined as the total volume of air/fuel mixture an engine can draw in during one complete engine cycle; it is normally stated in cubic centimetres, litres or cubic inches.
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The internal combustion engine is an engine in which the combustion of fuel and an oxidizer (typically air) occurs in a confined space called a combustion chamber. This exothermic reaction creates gases at high temperature and pressure, which are permitted to expand.
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1 inch =
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd
An inch (plural: inches; symbol or abbreviation: in or, sometimes,
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A cubic foot is an Imperial / U.S. customary (non-metric) unit of volume, used in the United States, Canada and the UK. It is defined as the volume of a cube with sides of 1 foot (0.3048 m) in length.
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A fluid ounce is a unit of volume in both the Imperial system of units and the U.S. customary units system.
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Definition
The two types of ounces have slightly different definitions:..... Click the link for more information.
The cup is a unit of measurement for volume, used in cooking to measure bulk foods, such as chopped vegetables (dry measurement), and liquids (fluid measurement). It is in common use in many countries, especially those that were part of the British Empire, including the United
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bushel is a unit of dry volume, usually subdivided into eight local gallons in the systems of Imperial units and U.S. customary units. It is used for volumes of dry commodities, not liquids, most often in agriculture. It is abbreviated as bsh. or bu.
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There are three definitions in current use:
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- U.S. liquid gallon is legally defined as 231 cubic inches, and is equal to 3.785411784 litres (exactly) or about 0.13368 cubic foot. This is the most common definition of a gallon in the USA. The U.S.
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barrel or cask is a hollow cylindrical container, traditionally made of wood staves and bound with iron hoops. Someone who makes such barrels is known as a cooper. Contemporary barrels are also made in aluminium (also called kegs) and plastic.
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The litre or liter (see spelling differences) is a unit of volume. There are two official symbols, namely the Latin letter L both in lower and upper case: l and L.
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A cubic centimetre (symbol cm³ or cc) (U.S. spelling: cubic centimeter) is a commonly used unit of volume extending the derived SI-unit cubic metre and corresponds to the volume of a cube measuring 1 cm × 1 cm × 1 cm.
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cubic metre (symbol m³) is the SI derived unit of volume. It is the volume of a cube with edges one metre in length. In the United States it is spelled cubic meter. An alternate name, which allowed a different usage with SI prefixes, was the stère.
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International System of Units (abbreviated SI from the French Le Système international d'unités) is the modern form of the metric system.
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Iron Duke (also called the 2500, 151, Pontiac 2.5, Cross Flow, and Tech IV, though the decal on the air filter assemblies actually reads "4 Tech") was a 2.5 L (151 in³) I4 piston engine.
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1 E-2 m³ 10 litres 0.353 cubic feet 610 cubic inch
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List of orders of magnitude for volume
Factor (m³) Multiple Value
10−105 -- 410−105 m³ is the Planck volume
10−45 -- Volume of a proton (~1.
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Factor (m³) Multiple Value
10−105 -- 410−105 m³ is the Planck volume
10−45 -- Volume of a proton (~1.
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Conversion of units refers to conversion factors between different units of measurement for the same quantity.
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Techniques
The simplest way to convert from one unit to another is to carry through the units themselves in the mathematical operation...... Click the link for more information.
For other uses, see square.
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch...... Click the link for more information.
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