A unit of angular measurement equal to 1/6400 of a complete circle. At 1000 metres one mil subtends about one metre (~0,98 m). Also 1/6000 and 1/6300 are used in other countries.
A unit of volume equal to that of a cube having sides each one centimetre in length, equal to 10⁻⁶ cubic metres and 1 millilitre. Commonly used in fluid measure and for engine sizes.