Size

A monster can be Tiny, Small, Medium, Large, Huge, or Gargantuan. The Size Categories table shows how much space a creature of a particular size controls in combat. See the Player's Handbook for more information on creature size and space.
Size Categories
| | Size | Space | Examples
| Tiny | 2½ by 2½ ft. | Imp, sprite
| Small | 5 by 5 ft. | Giant rat, goblin
| Medium | 5 by 5 ft. | Orc, werewolf
| Large | 10 by 10 ft. | Hippogriff, ogre
| Huge | 15 by 15 ft. | Fire giant, treant
| Gargantuan | 20 by 20 ft. or larger | Kraken, purple worm