- Traditional Chinese Character(HanT):
愷
- Simplified Chinese Character(HanS):
恺
- Bopomofo(Mandarin Phonetic Symbols): ㄎㄞˇ (ㄎ)
- Bopomofo(Zhuyin Keyboard Input/IME): d93
- 「愷」的注音符號/「愷」怎麼發音怎麼唸: ㄎㄞˇ
- (ASCII) Hanyu Pinyin: "kai" "Kai3" "Kai3" (K)
- (Latin) Hànyǔ Pīnyīn: Kǎi [ Kǎi ]
- (英文翻譯) English Translation: "Kai"
- (西語翻譯) Traducción Español: "Kai"
- (日文翻譯) 日本語翻訳: "甲斐"