Riichi Calc

Riichi Calc

Focus on the game, not the math.

A Riichi Mahjong score calculator made for real-life play. Enter a winning hand. Get the full yaku, fu, dora, and payment breakdown.

Google Play Coming soon
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Scoring help at the table.

Enter the hand, set the situation, and let the app handle the scoring details.

Result Sheet
Hand Entry

Automatic scoring

From fu rounding to limit hands, every payment is worked out for you, split correctly between dealer and non-dealer. The scoring core is covered by automated tests.

Mahjong Soul rules

RiichiCalc follows Mahjong Soul's rules: one red five per suit and no Renhou.

Tools for table play

Riichi sticks, honba, and exhaustive draws are all handled, and a built-in setup guide helps you get the table ready.