Pokémon Run & Bun Damage Calculator
Select the generation. Select the output notation. Select the calculator's mode of function.

Pokémon 1's Moves (select one to show detailed results)
??? - ???%
??? - ???%
??? - ???%
??? - ???%
Pokémon 2's Moves (select one to show detailed results)
??? - ???%
??? - ???%
??? - ???%
??? - ???%
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Pokémon 1
Base IVs EVs DVs
341
236
236
236
236
236
236 ---

/341 ( %)

Health
Team / Box

Pick Run and Bun.sav (mGBA keeps it next to the game file). In Chrome or Edge the calc then rereads it every time you save in the game. The file stays on your computer.

Team
Box

Link your save above, or paste a team in Showdown format into Import / Export and press Import.

Trash

Click a sprite to load it. Drag to move it between Team, Box and Trash; right-click swaps Team and Box.

Field
Select the battle format.
Select the current terrain.
Select the active Ruin abilities from other Pokeémon on the field.

Select the current weather condition.
Select the current weather condition.

Pokémon 1's side
Pokémon 2's side
Import / Export
Pokémon 2
Base IVs EVs DVs
341
236
236
236
236
236
236 ---

/341 ( %)

Health
Opposing Team
Base calculator created by Honko, maintained by Austin and Kris. Adapted by Joggel.
This copy runs the official Smogon engine on Generation 8 rules with Pokémon Run & Bun's changes (from dekzeh's Run & Bun calc) and every trainer team from the Trainer Battles sheet, plus dark mode and Null-style sprite panels.