Japanese Mahjong Calculator

Japanese Mahjong Calculator


(3 stars)


Download for Android Like

5,000 - 10,000 downloads

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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:
 • Swipe right to access Hand Conditions
 • Most recently added tile will be set as the winning tile and is shown in red, it can be changed by performing a long press on another tile
 • Ads shown when online (can be removed via: https://play.google.com/store/apps/details?id=ric.ov.key)
 • 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 dgoubiao.com, chinese mahjong calculator.

Recently changed in this version

• Yakuman now cumulative
• UI improvement for ldpi devices

Comments and ratings for Japanese Mahjong Calculator
  • (51 stars)

    by Lauri Isojärvi on 14/06/2014

    Only thing that is odd to me is why concealed kan is own button when others don't have concelead version buttons? Why concealed isn't a modifier button setting all sets declared after setting modifier concealed?

  • (51 stars)

    by Ciro Galli on 07/06/2014

    Been playing riichi mahjong for the last 5 years weekly. But we never counted the points correctly cause it's so time consuming to. And you can always make mistakes. This app is awesome cos it doesn't only give you the points, but teaches you how to count for it gives you the fu, han & yaku. So if you pass up smth it'll remind you. My mahjong nights will be more enjoyable now knowing we're doing i

  • (51 stars)

    by Lucas Radichica on 19/05/2014

    Just what I needed! Counting scores is too difficult in this game. But I didn't see how to calculate a hand with riichi.

  • (51 stars)

    by Kamil Drakari on 26/04/2014

    Why was this almost 200 apps down the list when I searched for mahjong calculator? I had to scroll through so many solitaire games to get here... Anyway, it's a mahjong hand calculator that can also tell you your waits, though I probably won't use that, and is in English. The only thing I could ask for would be a clearer indication that additional settings are off to the side and you can swipe to

  • (51 stars)

    by Michele Ferri on 23/04/2014

    For my mahjong nights with friends.

  • (51 stars)

    by Israel Gonzalez on 23/02/2014

    So I just got back into paying Riichi Mahjong and was looking for a tool that would help me learn the scoring a bit easier. This does a great job of showing me the different combinations and their point values. Thanks!

  • (51 stars)

    by QIONGTWO 茕兔 on 04/02/2014

    very good tool but the ad..

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