Hidden Power (move)/Calculation - Bulbapedia, the community-driven Pokémon encyclopedia
Smogon University - The calculator from Pokemon Showdown has now been updated to the new generation. Find out just how much damage can be dealt from a fossil with 90 base Attack!
How To Use a Damage Calculator for Pokemon VGC - YouTube
Pokemon Damage Calculator(Dev)
Pokémon damage calculator – where to find, how to use, and more | Pocket Tactics