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D&D Encounter XP Calculator

Judge a D&D 5e combat encounter's difficulty: apply the monster-count multiplier and compare the adjusted XP to your party's thresholds.

Party size

Party level

Total monster XP (raw)

Number of monsters

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How it works

Adjusted XP = raw monster XP × encounter multiplier (1:×1, 2:×1.5, 3–6:×2, 7–10:×2.5, 11–14:×3, 15+:×4) · Difficulty = adjusted XP vs (per-character threshold × party size)

Fifth-edition D&D rates a fight by comparing the monsters' adjusted XP to the party's XP budget. First, sum every monster's base XP, then multiply by a factor that grows with the number of monsters — more bodies mean more attacks per round, so eight weak creatures are far more dangerous than their raw XP suggests. Each character has four XP thresholds (easy, medium, hard, deadly) that rise with level; multiply those by the number of players to get the party's budget. The band the adjusted XP lands in tells you the expected difficulty, with "deadly" meaning a real risk of a character dropping rather than a guaranteed loss.

Worked example

Two monsters worth 700 XP together, against four level-3 characters. Two monsters carry a ×1.5 multiplier, so adjusted XP is 700 × 1.5 = 1,050. A level-3 character's thresholds are 75/150/225/400, so the party of four has 300/600/900/1,600. Since 1,050 sits between the hard (900) and deadly (1,600) budgets, it is a Hard encounter.

Frequently asked questions

Why multiply the monster XP?

Because a swarm is more dangerous than a single foe of the same total XP — more creatures means more attacks and actions each round. The multiplier scales from ×1 for a lone monster up to ×4 for fifteen or more.

Does party size change the multiplier?

The Dungeon Master's Guide suggests nudging it: for a small party of one or two players, use the next higher multiplier row, and for a large party of six or more, use the next lower row. This calculator applies the standard table by monster count; adjust a step if your table is unusually small or large.

Is a "deadly" encounter unwinnable?

No. Deadly means the fight could realistically knock out a character, not that the party will lose. Well-played groups often survive deadly encounters, while several medium fights in a row without rest can drain resources just as dangerously.

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This calculator is for educational purposes. Double-check important results before acting on them.