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CR Calculator

Easily build custom creatures

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Instructions

  1. Enter expected CR of the creature.
  2. Fill in the HP, AC, and other defensive attributes.
  3. Fill in offensive attributes. DPR is averaged over three rounds!
  4. Add any special Monster Features.
Enter expected CR of the creature.

Defensive

Offensive

Hit Dice

d8

Save Proficiencies

Monster Features

Name
Example Monster
Feature Description
Orc
As a bonus action, the creature can move up to its speed toward a hostile creature it can see.
Doppelganger
The creature has advantage on attack rolls against any creature it has {@status surprised}.
Deva
The creature's weapon attacks are magical. When the creature hits with any weapon, the weapon deals extra radiant damage. Input this extra damage per round.
Demilich
If the creature is subjected to an effect that allows it to make a saving throw to only take half damage, it instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.
Sahuagin
The creature has advantage on melee attack rolls against any creature that doesn't have all its hit points.
Giant Constrictor Snake
The creature has the ability to restrain and/or grapple a target as part of an attack.
Cloaker
While attached or grappling a creature, the creature takes only half damage dealt to it (rounded down), and the other creature takes the other half.
Duergar
The creature magically increases in size, along with anything it is wearing or carrying. Input the extra damage inflicted per round whilst enlarged.
Ancient Gold Dragon
Each creature of the creature's choice within range must make a Wisdom saving throw or be frightened for 1 minute.
Azer
Touching or hitting the creature while within 5 ft. of it causes damage.
Banshee
Each non-undead creature of the creature's choice within range must make a Wisdom saving throw or be frightened for 1 minute.
Tarrasque
If the creature fails a saving throw, it can choose to succeed instead. Input the number of uses per day.
Balor
The creature has advantage on saving throws against spells and other magical effects.
Hobgoblin
The creature can deal extra damage to a creature it hits if that creature is with in 5 ft. of an ally of the creature that isn't incapacitated. Input the extra damage inflicted per round.
Goblin
The creature can take the Disengage or Hide action as a bonus action on each of its turns.
Kobold
The creature has advantage on an attack roll against a creature if at least one of the creature's allies is within 5 feet of the creature and the ally isn't incapacitated.
Hobgoblin warlord
The creature adds its proficiency bonus to its AC against one melee attack that would hit it as a reaction.
Ghost
The creature can control another creature, during which time it cannot be targeted by nearly any effect.
Troll
At the beginning of the creature's turn, it regains hit points and cannot be killed until this effect is mitigated in some way, usually through acid or fire damage. Input how many hit points it regains at the beginning of its turn.
Boar
If the creature would be reduced to 0 hit points, there is a chance that it can instead only be reduced to 1.
Shadow Demon
While in dim light or darkness, the creature can take the {@action Hide} action as a bonus action.
Troglodyte
Any creature other than the monster within 5 feet of it must make a saving throw or be poisoned.
Pixie
The creature can turn invisible as an action or bonus action.
Zombie
If the creature would be reduced to 0 hit points, there is a chance that it can instead only be reduced to 1. This feature is negated if the damage is from radiant nature.
Giant Spider
Ranged Weapon Attack that restrains the target on a hit.

Not all monster features are covered here. The DMG has specific instructions on how to manage other features.

Monster Statistics by Challenge Rating

CR XP Prof. Bonus Armor Class Hit Points Attack Bonus Damage/Round Save DC
0 10 +2 13 1-6 +3 0-1 13
1/8 25 +2 13 7-35 +3 2-3 13
1/4 50 +2 13 36-49 +3 4-5 13
1/2 100 +2 13 50-70 +3 6-8 13
1 200 +2 13 71-85 +3 9-14 13
2 450 +2 13 86-100 +3 15-20 13
3 700 +2 13 101-115 +4 21-26 13
4 1100 +2 14 116-130 +5 27-32 14
5 1800 +3 15 131-145 +6 33-38 15
6 2300 +3 15 146-160 +6 39-44 15
7 2900 +3 15 161-175 +6 45-50 15
8 3900 +3 16 176-190 +7 51-56 16
9 5000 +4 16 191-205 +7 57-62 16
10 5900 +4 17 206-220 +7 63-68 16
11 7200 +4 17 221-235 +8 69-74 17
12 8400 +4 17 236-250 +8 75-80 18
13 10000 +5 18 251-265 +8 81-86 18
14 11500 +5 18 266-280 +8 87-92 18
15 13000 +5 18 281-295 +8 93-98 18
16 15000 +5 18 296-310 +9 99-104 18
17 18000 +6 19 311-325 +10 105-110 19
18 20000 +6 19 326-340 +10 111-116 19
19 22000 +6 19 341-355 +10 117-122 19
20 25000 +6 19 356-400 +10 123-140 19
21 33000 +7 19 401-445 +11 141-158 20
22 41000 +7 19 446-490 +11 159-176 20
23 50000 +7 19 491-535 +11 177-194 20
24 62000 +7 19 536-580 +11 195-212 21
25 75000 +8 19 581-625 +12 213-230 21
26 90000 +8 19 626-670 +12 231-248 21
27 105000 +8 19 671-715 +13 249-266 22
28 120000 +8 19 716-760 +13 267-284 22
29 135000 +9 19 760-805 +13 285-302 22
30 155000 +9 19 805-850 +14 303-320 23