Meaning & use
km
The standard abbreviation for kilometer, a unit of length equal to 1,000 meters.
See it in a sentence
The marathon course measured 42 km from start to finish.
Road signs in most countries outside the US show distances in km.
A note on using this word
Km is written without a period in most style guides and stays the same in both singular and plural.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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