A standard six-sided dice has 21 dots. Add up the faces and you get 1 + 2 + 3 + 4 + 5 + 6 = 21. A matching pair of dice has 42 dots between them. The dots have a proper name, by the way. They’re called pips, though nobody will correct you at a board game table.
The arithmetic, face by face
Every face carries a different count, from one dot up to six. Nothing repeats, nothing is skipped.
| Face | Dots |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| Total | 21 |
There’s a faster way to add it. Pair the numbers off from the outside in: 1 + 6 = 7, 2 + 5 = 7, 3 + 4 = 7. Three pairs, seven each, so 3 x 7 = 21.
That shortcut isn’t a coincidence. Those pairs are exactly the opposite faces on a real die.
Opposite faces add to seven
Pick up any standard die. The 1 is across from the 6, the 2 is across from the 5, and the 3 is across from the 4. Every pair of opposite faces sums to seven, and this has been the convention since antiquity. It’s the reason the dot total works out to 21 so neatly, and it’s why you can read the hidden bottom face of a die without picking it up. Subtract the top number from seven.
Some cheap novelty dice ignore the rule. Casino dice never do.
The seven rule is also the fastest way to get the dot count for a pair. Each die has three opposite pairs worth seven apiece, so two dice give you six pairs: 6 x 7 = 42.
Seven being the pivot number here is separate from seven being the most common roll with two dice, though both trace back to the same symmetry. Two dice land on seven 16.67% of the time, which is 6/36 of the 36 possible combinations. If you want the whole spread, the dice probability chart lays out every total.
Dot layouts you already recognize
The patterns are fixed across nearly every manufacturer. One dot goes dead center. Two sit on a diagonal, corner to corner. Three run along a diagonal with the center filled. Four take the corners. Five is four corners plus the middle. Six is two vertical columns of three.
Western dice put the 2 on a diagonal. Many Asian-made dice stack the two dots along the middle axis of the face instead, and often print an oversized red 1. Same dot counts, different look.
Pips are usually drilled into the plastic and painted. That removes material, and the 6 face loses the most of it, so a cheap die with hollow pips ends up a hair lighter on the 6 side and lands 6 up slightly more often than it should. Casino dice fix this by filling the drilled holes with paint or epoxy matched to the density of the die body, then polishing the faces flush. The effect is far too small to matter in your kitchen. It matters at a craps table.
More on the layout rules and the handedness convention on the dice faces page. If you’d rather skip the counting, the browser dice roller handles the arithmetic for you.
FAQ
Why do opposite sides of a dice add up to 7?
It’s a convention that goes back to antiquity and it makes dice easy to check and read. With 1 opposite 6, 2 opposite 5, and 3 opposite 4, the hidden bottom face is always seven minus the top face. It also balances the drilled pips across the cube.
How many dots are on a pair of dice?
- Each standard die carries 21 dots, so two dice together have 21 + 21 = 42. A five-dice Yahtzee set has 105 dots. Any count of standard six-sided dice works out to 21 times the number of dice.
How many dots are on the 6 side of a dice?
Six, arranged as two vertical columns of three. The 6 face has more material drilled out of it than any other face, so cheap dice with hollow unfilled pips are marginally lighter on that side and land 6 up a touch more often. Casino dice fill the pips flush to remove that bias.
What are the dots on dice called?
Pips. The word covers the dots on dice, the spots on dominoes, and the suit symbols on playing cards. It shows up in English in the early 1600s, originally spelled “peep,” and both Merriam-Webster and the Oxford English Dictionary list its origin as uncertain.