kgvskmConfusable pair

Which to use

“kg” and “km” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,602
“kg” frequency rank
#764
“km” frequency rank
2366
confusion score

Side-by-Side Comparison

Feature kg km
Definition Einheitenzeichen für kilogramme/Kilogramm; SI-Basiseinheit der Masse Einheitssymbol für Kilometer

Letter map: kg vs km

Shared letters muted; letters that set kg and km apart highlighted. Shared run: 1.

2 ch
kg
2 ch
km

Spelling & dictionary notes on kg vs km

kg and km are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - g in “kg” becomes m in “km”. Our composite confusion score for this pair is 2366, derived from the frequency rank of both members and their visual similarity.

kg is recorded at frequency rank #1,602, classified as anabbrev, pronounced [kaːˈɡeː]. km is at rank #764, tagged as anabbrev.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 2366, this pair ranks #2,002,531 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of kg vs km

Shared letters: k. Private to "kg": g. Private to "km": m.

"kg" · 2 letters · shape CC  ·  "km" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "kg" for "km" ever safe?
No. They differ by a single letter - g in “kg” becomes m in “km”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "kg" vs "km" - which ranks higher?
"km" is the more common of the two: it sits at frequency rank #764 in our German list, against #1,602 for "kg". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "kg" and "km". Here's where to go from here.

  • Full dictionary entry for "kg" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "km" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,002,531 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kg" and "km" also get mixed up with nearby pairs, the highest-scored neighbour is "kg vs KGaA". Nearby pair

Confusion rank #2,002,531 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list