What are some nine-letter units of measurement?

19 of the 269 units of measurement in Icillion have exactly 9 letters, for example Kilometre, Fortnight and Milligram.

Which nine-letter units of measurement start with K?

K is the most common first letter here, with 4 names, such as Kilderkin, Kilohertz, Kilojoule and Kilometre.

Science · lists

These are the nine-letter units of measurement in Icillion: 19 names, from “Arcminute” to “Zettabyte”.

19 of the 269 units of measurement have exactly 9 letters (7%).
Most start with K (4), M (4) and A (2).
Only names of one word are counted, and only their letters: spaces, hyphens and apostrophes are not.

What are some nine-letter units of measurement?: 19 of the 269 units of measurement in Icillion have exactly 9 letters, for example Kilometre, Fortnight and Milligram.
Which nine-letter units of measurement start with K?: K is the most common first letter here, with 4 names, such as Kilderkin, Kilohertz, Kilojoule and Kilometre.

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