Games Calculators

Scoring rules and build math for tabletop, card, and dice games.

Enter your six ability scores and see your point cost, remaining budget, and whether your build is legal.

Enter your 4-card hand and the starter card to get your exact cribbage score, with every fifteen, pair, run, flush, and nobs point broken down.

Enter your remaining score to get a valid double-out checkout in as few darts as possible, or find out if it is a bogey number.

Enter your hand's han and fu to get the exact point total and payment breakdown for Japanese Riichi mahjong.