# Abbreviation table for tunits task # # Many units have more than one name or abbreviation. This table lists # the standard abbreviation for each set of units. The abbreviation is # used internally when computing the conversion factor. Case is not # significant in names and regular plurals (made by adding an "s") are # converted to the singular. Names should contain only alphabetic characters. # Blanks, underscores and digits are not allowed. # # name abbreviation #---------------------------- meter m centimeter cm kilometer km millimeter mm micrometer um micron um nanometer nm metre m centimetre cm kilometre km millimetre mm micrometre um nanometre nm kilogram kg gram g gm g milligram mg second s sec s minute min hour hr year yr radian rad degree deg arcminute amin arcmin amin arcsecond asec arcsec asec angstrom a parsec pc kiloparsec kpc megaparsec mpc hertz hz kilohertz khz megahertz mhz gigahertz ghz lightyear ly newton n joule j watt w calorie c kilocalorie kc inch in inches in foot ft feet ft ounce oz pound lb liter l jansky jy millijansky mjy