き, in hiragana, キ in katakana, is one of the Japanese kana, which each represent one mora.

The hiragana character き, like さ, is drawn with the lower line either connected or disconnected.

A dakuten may be added to the character; this transforms it into ぎ in hiragana, ギ in katakana, and gi in Hepburn romanization.

The phonetic value also changes, to [ɡi] in initial, and varying between [ŋi] and [ɣi] in the middle of words.

A handakuten (゜) does not occur with ki in normal Japanese text, but it may be used by linguists to indicate a nasal pronunciation [ŋi].