What do the 'k.A.' and 'n.b.' abbreviations mean? It's used in place where numeric value is expected:

  • weight: 10kg, size: k.A.
  • weight: n.b., size: large
  • ...
  • 5
    Lolx. I read the title & my first thought was "keine Ahnung" ;-)
    – Mawg
    Jan 30, 2017 at 11:00
  • 2
    Honestly, that's what I though it meant. But it did not match the official "tone" of the surrounding text. Jan 30, 2017 at 13:30
  • Würde mich wundern, im Umfeld englischer Vokabeln (weight, size, large) dt. Abk. zu finden. ;) Feb 1, 2017 at 5:08
  • I tried to keep the question as English as possible ;D Feb 1, 2017 at 9:01

1 Answer 1


"k. A." is the abbreviation of "keine Angabe" which can translated to "no specification" or "no information".

"n. b." means "nicht bekannt" or "not known".

  • "n. b." can also mean "nota bene", which is "please note" in English. Jan 30, 2017 at 9:21
  • 5
    When it's not about numbers k. A. usually means keine Ahnung which is no idea.
    – raznagul
    Jan 30, 2017 at 9:24
  • 3
    English texts would often use "N/A" (not applicable) in such places, even though it is not exactly the same thing.
    – PMF
    Jan 30, 2017 at 9:33
  • 7
    @raznagul keine AHnung is usually only the meaning in informal texts like short messages or chat. Jan 30, 2017 at 10:32

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