Japanese Mahjong Calculator



Riichi Calc is an easy to use app that takes any valid Japanese mahjong hand and calculates all possible winning combinations. A great companion for any Japanese mahjong player! Feel free to e-mail me about any calculation errors.

 • Used for the Japanese variant of Mahjong
 • Order is irrelevant. The app will rearrange the tiles for you
 • Determine waits of a tenpai hand
 • Provides warnings against illegal combinations (eg. riichi with an open hand)
 • Can also calculate points using han and fu as the input
 • Display yaku in English or romanized Japanese

Please note:
 • Ads shown when online ('Remove Ads' is currently disabled due to some issues)
 • Network permission is used only for ads, this app doesn't collect any user data whatsoever

keywords: riichi mahjong calculator, mahjong hand calculator, mahjong score calculator, mahjong points calculator, mahjong helper, 麻雀得点, 麻雀計算, 麻雀 点数

Tags: winning hand in mahjong , mail , chinese mahjong calculator

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