km vs kt, What's the Difference?

Which to use

“km” is a symbol and “kt” is a preposition - they look or sound alike but fill different roles in a sentence.

#1,030
“km” frequency rank: #38,886
“kt” frequency rank: 39916
confusion score

Side-by-Side Comparison

Feature	km	kt
Definition	Symbole du kilomètre, unité de mesure de longueur du Système international (SI), valant 1000 mètres (10³ mètres).	Kontraŭ (« Contre, en face de »).

Letter map: km vs kt

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

2 ch

Part-of-speech tell for km / kt

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: km is asymbol and ktapreposition. On the page they differ by a single letter - m in “km” becomes t in “kt”. Our composite confusion score for this pair is 39916, derived from the frequency rank of both members and their visual similarity.

km is recorded at frequency rank #1,030, classified as asymbol. kt is at rank #38,886, tagged as aprep, pronounced \ˈkon.traw\.

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 39916, this pair ranks #244,401 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of km vs kt

Shared letters: k. Private to "km": m. Private to "kt": t.

"km" · 2 letters · shape CC · "kt" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "km" for "kt" ever safe?

No - they are not even the same part of speech. "km" is a symbol and "kt" a preposition, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "km" or "kt"?

"km" is the more common of the two: it sits at frequency rank #1,030 in our French list, against #38,886 for "kt". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "km" vs "kt" is on the table, pick a follow-up below.

Full dictionary entry for "km" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "kt" - compare definitions side by side with the headword page. Word entry
This pair ranks #244,401 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"km" and "kt" also get mixed up with nearby pairs, the highest-scored neighbour is "kt vs ky". Nearby pair

Confusion rank #244,401 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.