A<unk>  (or<unk> r in US English) (SI unit symbol:<unk> ; non-SI abbreviations:<unk>  and<unk> m) is a commonly used unit of volume that corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm. One<unk>  corresponds to a volume of one millilitre. The mass of one<unk>  of water at 3.98 °C (the temperature at which it attains its maximum density) is almost equal to one gram. One complete cycle of a four-cylinder, four-stroke engine. The areas marked in orange represent the displaced volumes.In internal combustion engines, "cc" refers to the total volume of its engine displacement in<unk> s. The displacement can be calculated using the formula : where is engine displacement, is the bore of the cylinders, is length of the stroke and is the number of cylinders. Conversions *1 millilitre = 1<unk>  *1 litre = 1000<unk>  *1<unk>  inch = .
Cubic centimetre
Periwound
Port 
Injection port
Equivalent air depth
Milligram per cent
Eggs per gram
Labdoor