Definition:Imperial/Volume/Cubic Inch

Definition
The cubic inch is an imperial unit of volume.
 * $1$ cubic inch $= 16 \cdotp 38706 \, 4$ cubic centimetres $= 0 \cdotp 01638 \, 7064$ litres.

This definition is exact, and is derived from the definition of the imperial unit of length as $2 \cdotp 54$ centimetres.