Pokémon Dual Type Weakness Calculator

Why a Calculator Beats a Static Type Chart

The classic 18×18 type chart answers one question at a time, and almost every Pokémon that matters is dual-typed, which the wall chart makes you compute in your head. This Pokémon weakness calculator does the multiplication for you: pick the one or two defending types and every attacking type lands in its true bucket: 4×, 2×, neutral, ½×, ¼× or immune. Flip to attacking mode when you’re choosing a move instead of switching a defender.

The math is the part charts hide. Each defending type contributes its own multiplier and they stack by multiplication, so two weaknesses compound into 4×, two resists shrink to ¼×, and a single immunity zeroes the whole line no matter what the other type does. That last rule is the one that wins games: Water/Ground doesn’t just resist Electric, it ignores it entirely.

Pokémon Team Weakness Calculator: the Whole Squad at Once

The Team check mode is a full Pokémon team weakness calculator, the part most type charts can’t do at all: enter up to six members and it cross-references every attacking type against the whole squad. The number that matters is the uncovered threat: a type at least one teammate folds to while nobody on the team resists it. Three teammates sharing a Ground weakness with no Flying or Levitate answer is how sweeps happen; this view catches it before your opponent does. Classic fixes live in the type math itself: a Water/Ground member erases an Electric threat outright, and a Steel type blanket-answers eleven attacking types at once.

Defense is only half the audit, so team mode also computes your offensive STAB coverage: treating each member’s own types as its attacking types, it counts who can hit every defending type super-effectively, and flags the types nobody on the squad answers. A team that can’t touch Steel or Dragon knows exactly which coverage move to teach next.

Every Single-Type Matchup, Computed

This table is generated from the same effectiveness data the calculator runs on: 51 super-effective, 61 resisted and 8 immune matchups, the complete gen 6+ chart (unchanged since X & Y added Fairy). Use it for quick single-type lookups; use the calculator above the moment a second type is involved.

Dual-Type Weakness Chart

A static single-type chart can’t show what actually happens when two types stack, so here is a dual-type weakness chart of the most famous pairings, every column computed by the same engine as the calculator. The 4× column is where games are decided: it appears only when both types share a weakness (Ice hits Dragon and Flying, so Dragon/Flying folds to it at 4×), and a single immunity in the ×0 column wipes a whole attacking type off the board no matter what the partner type does. Want a combination that isn’t listed? Tap the two types in the calculator above and it computes the full spread instantly.

Dual Types With the Fewest Weaknesses

A type chart answers one typing at a time; this section scores the whole space at once. Every single type and every pair of two different types (18 single types and 153 pairs, 171 typings in all) is scored by the same matchup math the calculator above renders from. A weakness here is any attacking type landing above 1×, and the 4× cases get their own column, because one type hitting for 4× is a different problem from two hitting for 2×.

No typing gets below 1 weakness. That floor is reached by 7 of them, 5 dual, and the table below sorts them by what they bounce off, the only thing separating typings that tie on weakness count. Bug/Steel wins it, resisting or ignoring 9 of the 18 attacking types. Read the ×4 column before you build around any of them, though: some pay for the short list with a double weakness (Bug/Steel at 4× to Fire and Water/Ground at 4× to Grass), and one attacking type at quadruple damage still ends a Pokémon in a single hit.

The Type Combinations With the Most Weaknesses

Same ranking, other end: 6 typings take super-effective damage from 7 of the 18 attacking types, which is as bad as it gets, and this table sorts them by how little they resist. Grass/Ice is the worst of them: 7 weaknesses, one of them Fire at 4×, and only 4 attacking types it resists or ignores.

The same types keep turning up: Grass and Rock each appear in 3 of the 6 worst-tier typings. A second type only helps when it covers what the first one folds to, and these rows are what happens when it doesn’t: the pairing inherits both weakness lists and cancels almost nothing.

None of this counts stats, abilities, or the moves a Pokémon actually carries; Levitate or Water Absorb rewrites a row on its own. It is the type layer only.

Weaknesses of Popular Pokémon

Most people arrive with a specific Pokémon in mind rather than a type pair, so here are the full defensive spreads for the well-known Pokémon used as examples on this page — each one computed by the same engine as the calculator, from its canonical typing. Charizard is the classic lesson: Fire resists Fire and Flying resists Fighting, but both are weak to Rock, so a Rock move lands at 4× — which is why a Stealth Rock on the field takes half its health the moment it switches in. Garchomp shows the other side: Ground’s immunity to Electric survives the pairing intact, so Dragon/Ground takes nothing at all from Thunderbolt.

Any Pokémon not listed works the same way — tap its two types in the calculator above and it computes the identical spread instantly, including the ½× and ¼× resists this table leaves out for width.

Full Pokémon Type Chart (All 18 Types)

Here is the complete gen 6+ type chart as real, searchable HTML — every attacking type down the rows, every defending type across the columns, each cell computed by the same engine that powers this type chart calculator (never hand-typed). Read across a row to see everything that type hits or bounces off; a green 2 is super effective, a red ½ is resisted, a dark 0 is an immunity, and a blank cell is plain neutral damage.

A flat chart like this only shows single types, though — the moment a Pokémon has two types you have to multiply two columns together, which is exactly where 4× and ¼× come from. For any dual type spread, tap both types in the calculator above and it does that multiplication for you instantly.

Reading Matchups Like a Trainer

Team builders scan for shared weaknesses: three teammates all weak to Ground is how sweeps happen. Check each member’s defensive spread here, then look for a partner whose resists cover the gaps — the classic Fire/Water/Grass core exists because the three cover one another’s weaknesses almost perfectly. In battle, think in both directions: your Ghost move bouncing off a Normal type and their Fighting move bouncing off your Ghost are the same immunity rule working for and against you. And remember the chart is symmetric in structure but not in content — Steel resists Dragon, but Dragon doesn’t resist Steel.