Can someone tell me how to work out how many of an attack will OHKO a Pokemon?

Question

Can you tell me without making it so that I can't understand a word you say.

Comments

You can read this. https://bulbapedia.bulbagarden.net/wiki/Damage

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By definition, if it takes more than one attack, it's not a OHKO.

Answer 1

use this damage calculator

Maybe I'm wrong.

Comments

lol (filler)