Below is the list of interesting units I made up or shall be useful.
“Astronomical unit per year (AU/yr) is a unit of velocity used in astronomy to denote the orbital...Astronomical unit per year
“Nanoparsec (npc) is a unit of length one-billionth of a parsec, equating to about 30.857...Nanoparsec
“Dex (d or dx) is a unit of length equal to ⁄16 of an inch or about 1.6 millimeters. The unit...Dex
“Hite (hi) is a unit of length approximately equal to the average height of an adult human — 5.5...Hite
“Wate (wa) is a unit of weight approximately equal to the average weight of an adult human — 150...Wate
“Line (ln) is a unit of length equal to ⁄40 of an inch or 0.635 millimeters. Line is an obsolete...Line (unit)
“Microparsec (μpc) is a unit of distance one-millionth of a parsec, about 30 gigameters, 1.7...Microparsec