• Hand Point Calculator

    Enter a Riichi Mahjong hand, calls, and win conditions to calculate its yaku, fu, and score.

  • Round Wind
    Seat Wind
  • Dora indicators
    Ura-dora indicators
  • Chi / Pon (separated by semicolons)
    Kan (format: minkan/ankan:5m; separated by semicolons)
  • Closed Hand (exclude open melds; red fives as 0m/0p/0s)
    Winning Tile