How many CR 1/2 monsters are in the D&D 5e SRD?

27 CR 1/2 monsters appear in the SRD 5.2.1 — Ape, Black Bear, Cockatrice, Crocodile, Darkmantle, and others.

How much XP is a CR 1/2 monster worth?

A CR 1/2 monster is worth 100 XP per the SRD's Experience Points by Challenge Rating table.

D&D 5e SRD · Challenge Rating

CR 1/2 monsters

27 monsters at Challenge Rating 1/2 — worth 100 XP each (2,700 XP combined). Click into any of them to roll attacks, damage, and saves straight from the stat block.

Name	Type	Size	HP	AC
Ape	Beast	Medium	19	12
Black Bear	Beast	Medium	19	11
Cockatrice	Monstrosity	Small	22	11
Crocodile	Beast	Large	13	12
Darkmantle	Aberration	Small	22	11
Dust Mephit	Elemental	Small	17	12
Giant Goat	Beast	Large	19	11
Giant Seahorse	Beast	Large	16	14
Giant Wasp	Beast	Medium	22	13
Gnoll Warrior	Fiend	Medium	27	15
Gray Ooze	Ooze	Medium	22	9
Hobgoblin Warrior	Fey (Goblinoid)	Medium	11	18
Ice Mephit	Elemental	Small	21	11
Magma Mephit	Elemental	Small	18	11
Magmin	Elemental	Small	13	14
Reef Shark	Beast	Medium	22	12
Rust Monster	Monstrosity	Medium	33	14
Sahuagin Warrior	Fiend	Medium	22	12
Satyr	Fey	Medium	31	13
Scout	Humanoid	Medium	16	13
Shadow	Undead	Medium	27	12
Swarm of Insects	Swarm of Tiny Beasts	Medium	19	11
Tough	Humanoid	Medium	32	12
Troll Limb	Giant	Small	14	13
Warhorse	Beast	Large	19	11
Warhorse Skeleton	Undead	Large	22	13
Worg	Fey	Large	26	13

Stat blocks from the System Reference Document 5.2.1 © Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 license.