Convert caliber (bore) to astronomical unit
Selected category: length.
Definition and details for caliber (bore):
Caliber (cal) is used to express the diameter of the gun barrel (bore). This unit is equal to inch. So 0.38 caliber is referred to a gun with a bore 0.38 inches. Usually when caliber measurements are spoken the decimal point is omitted. So "38 caliber" refers to 0.38 inches.
Definition and details for astronomical unit:
Astronomers use astronomical unit (ua or au or AU) as yardstick for measuring the distances between objects in the Solar System. AU is defined as the distance from the center of the Earth to the center of the Sun. Currently it is accepted that this length is 149 597 870 691 meters, with an uncertainty of about 30 meters.