D&D 5e Encounter Calculator

Encounter Builder

Build your party and add monsters from the SRD. Difficulty and CR logic will be added in later milestones.

Rules Edition

Switch between the 2014 encounter multipliers and the 2024 XP budget rules.

Adjustment Mode

Choose whether suggestions should change the number of monsters or their hit points.

Target Difficulty

Point suggestions toward a specific difficulty band.

Playstyle Emphasis

Attrition favors longer days, burst aims for spike encounters.

Saved Encounters

  • No saved encounters yet.

Undo & Redo

Use Cmd/Ctrl+Z to undo and Shift+Cmd/Ctrl+Z to redo.

Party Builder

Party

No players yet. Add your party members to calculate difficulty.

Selected Monsters

  • No monsters yet. Add some!

Find Monsters

    Add custom monster

    Homebrew or unique foe? Enter its stats manually.

    Encounter Difficulty

    Add at least one player and one monster to see difficulty, XP thresholds, and how tough this encounter is for your party.

    Suggestions

    Once this encounter is clearly too easy or too hard, you'll see concrete suggestions here for adjusting monster counts or hit points.