Domino Set Calculator
Compare common domino set sizes and check how many tiles and doubles each set contains.
—tiles
- Doubles
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- Numbers, including blank
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iPhone & iPad · Free
Track it in Domino Scoreboard.
Domino Scoreboard keeps the score for five real domino games.
How domino set sizes work
A double-n set contains every unordered pair from blank through n exactly once. That produces (n + 1)(n + 2) ÷ 2 tiles.
The calculator covers the four extended sets most commonly sold for family and train games.
Tiles = (highest pip + 1) × (highest pip + 2) ÷ 2 Domino set FAQ
How many dominoes are in a double-6 set?
A double-6 set contains 28 tiles, including seven doubles.
How many are in a double-12 set?
A double-12 set contains 91 tiles, including 13 doubles.