Japanese mahjong scoring

Riichi Calculator

Check a Japanese mahjong hand or enter han and fu to calculate ron and tsumo payments.

Calculator guide

Scoring steps
  1. Enter han and fu, or build the hand with tiles. Fu does not affect the score at 5 han or more.
  2. Select the winning tile, then choose ron or tsumo.
  3. Set the dealer, riichi, and any bonuses or special circumstances.
  4. Check the payment, including honba.
Players