also: ぐらい
suffix, particle
Attaches to a quantity or time expression to give an approximate value. くらい and ぐらい are interchangeable, with ぐらい preferred after ん or voiced sounds.
駅まで歩いて十分くらいです。
It's about ten minutes on foot to the station.
この荷物は五
This luggage weighs around five kilograms.
suffix, particle
to the extent that; so ... that ...; at least
Follows a verb or adjective to indicate the degree or extent of an action or state, often implying a noteworthy result. Can also express a minimal degree ('at least').
泣きたいくらい嬉しかった。
I was so happy I almost cried.
それくらいなら私にもできる。
At least that much I can do too.
suffix, particle
as ... as ...; like
Used in comparisons to equate the degree or manner of one thing with another. Often follows a noun or clause.
彼くらい親切な人はいない。
There is no one as kind as him.
君くらいの年齢ならもっとしっかりしなさい。
If you're as old as you are, you should be more responsible.