7 strokes
heart 心 (忄, ⺗)
cheerful, pleasant, agreeable, comfortable
Jōyō kanji, taught in grade 5
JLPT level N2
1074 of 2500 most used kanji in newspapers


Stroke order

On reading compounds

  • 快 【カイ】 pleasure, delight, enjoyment
  • 快適 【カイテキ】 pleasant, agreeable, comfortable
  • 豪快 【ゴウカイ】 hearty, tremendous, magnificent, glorious, splendid, heroic, stirring
  • 明快 【メイカイ】 clear, clear-cut, lucid, unequivocal, explicit

Kun reading compounds

  • 快い 【こころよい】 pleasant, agreeable, comfortable, refreshing


Japanese names:
Mandarin Chinese (pinyin):


  • agradable
  • bueno
  • curarse
  • rápido
  • placentero


  • confortável
  • agradável
  • alegre


  • agréable
  • gai
  • plaisant
  • confortable
566 A Guide To Reading and Writing Japanese (Florence Sakade)
661 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
631 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
882 A New Dictionary of Kanji Usage
1654 Classic Nelson (Andrew Nelson)
827 Essential Kanji (P.G. O’Neill)
531 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
372 Japanese Names (P.G. O’Neill)
1409 Kanji and Kana (Spahn and Hadamitzky)
1498 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
656 Kanji in Context (Nishiguchi and Kono)
808 Kodansha Compact Kanji Guide
289 Kodansha Kanji Dictionary (Jack Halpern)
182 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
218 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1657 Les Kanjis dans la tete (Yves Maniette)
10369 Morohashi
245 New Japanese English Character Dictionary (Jack Halpern)
1802 New Nelson (John Haig)
1642 Remembering The Kanji (James Heisig)
1771 Remembering The Kanji, 6th edition (James Heisig)
664 Tuttle Kanji Cards (Alexander Kask)
1163 2001 Kanji
4k4.2 The Kanji Dictionary
1-3-4 SKIP code
1-1-6 SKIP code
9503.0 Four corner code
1-18-87 JIS X 0208-1997 kuten code
5feb Unicode hex code