Cubic inch

Cubic inch
An engine with a swept piston displacement of 502 cubic inches
General information
Unit systemNonstandard
Unit ofvolume
Symbolin3, cu in
Conversions
1 in3 in ...... is equal to ...
   SI derived units   16.387 mL
   US customary   1231 US Gallon
   nonstandard   11728 ft3

The cubic inch (symbol in3) is a unit of volume in the Imperial units and United States customary units systems. It is the volume of a cube with each of its three dimensions (length, width, and height) being one inch long which is equivalent to 1/231 of a US gallon.[1]

The cubic inch and the cubic foot are used as units of volume in the United States, although the common SI units of volume, the liter, milliliter, and cubic meter, are also used, especially in manufacturing and high technology. One cubic inch is approximately 16.387 mL.

One cubic foot is equal to exactly 1,728 cubic inches (28.32 L) because 123 = 1,728.[citation needed]

  1. ^ IEEE Standard Letter Symbols for Units of Measurement (SI Customary Inch-Pound Units, and Certain Other Units) (Technical report). IEEE. 2004. 260.1-2004.

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