Bocce ball sizes compared

Only one manufacturer in this group publishes a ball weight at all — Baden, at 2 pounds for its 107 mm set. Everywhere else the field is blank on our product pages, because a weight derived from a diameter is an estimate and we do not publish estimates. That single published figure is still the most useful number here, because it anchors what “full size” means in the hand.

This is the diameter tournament sets are built to, and it is the object the game was designed around. Two pounds of solid resin, roughly the size of a large grapefruit, rolled underarm down a court the USBF publishes at 86.92 by 13.12 feet.

What it buys you. Presence, mostly, and it is not a trivial thing — a 107 mm ball is satisfying to hold, sits solidly where it stops, and is difficult to knock out of a scoring position by accident. The tactical layer of bocce, where you deliberately displace an opponent's ball, works best when the target is large and stable.

What it costs you. An afternoon of holding two pounds in one hand is a real thing for smaller or older players, and a 107 mm ball is genuinely difficult for a child to grip properly at all. A set with eight of them is also the heaviest bocce carry there is, which matters if the game travels.

Buy 107 mm if the set lives at one house, adults play it, and you would rather have the proper object than the convenient one.

The commonest size sold for backyard play, and the right answer for most households that are not sure. It is close enough to competition size that the game feels correct and small enough that nobody is excluded.

The GoSports 100 mm set is worth singling out for something unrelated to diameter: it publishes a measuring rope in the box, along with a carry case. Bocce is decided by which ball is closest to the pallino, and close ends are decided by crouching down and squinting unless you have a rope. It is the least glamorous accessory on this site and the one that stops the most arguments.

The same set publishes a 45 mm pallino, which is the smallest in this group. On a short court that is fine and makes the game harder in an interesting way. On a full 60-foot backyard run in evening light it is small.

There is also a 100 mm LED set, which is the only realistic way to keep playing after dark — a genuine advantage over horseshoes, which has no equivalent.

The 90 mm set exists for a specific reason, and it is not to be cheaper. It is the size a child can actually hold in one hand and roll with a proper action, and the size an older player can throw all afternoon without their wrist objecting.

None of the 90 mm sets we cover publishes a ball weight, so we cannot tell you the difference in ounces and will not guess at it. What we can say from the published diameters is that the drop from 107 mm to 90 mm is about a sixth off the diameter, and volume falls considerably faster than diameter does.

The trade-off is real. A smaller, lighter ball rolls further for the same effort and is fussier to place, so on a long court it can be harder rather than easier. That is why the 90 mm set is a mixed-ages choice rather than a children's choice — it is the size that lets everyone play the same game, not a version made simpler.

If that is your household, this size and this reasoning also drive yard games for seniors and low-mobility players and games for mixed ages.

Diameter is the most consequential spec on a bocce set, and it still does not change the things people assume it does.

• The rules are identical. Closest ball to the pallino scores; the scoring, the ends and the etiquette are the same at every size. See bocce ball rules.
• The surfaces are identical. Every set we cover publishes grass, sand, gravel or dirt. A smaller ball is not more fragile.
• The player count is identical. All of these sets are eight balls in two colours plus a pallino, published for 2 to 4 players and played happily in teams.
• Material is a separate decision. Composition resin against solid polyresin is its own comparison, and it is the one that governs how the ball wears and how it sounds: resin vs composite bocce.

For the ranked set comparison across all sizes and materials, the parent page is best bocce sets.