Power Level
EX : Multi-Universe >> ??? (Grand Zeno, Super Shenron from DBS)
SSS : Universe >> Multi-Universe (Grand Priest, Vados, Whis from DBS)
SS : Galaxy >> Universe (God of destruction from DBS, God from saint saiya, God from mondaiji, God from Super Theological Seminary)
S : Planet >> Galaxy (Saint Saiya, Great Red, Ophis, Trihexa from dxd)
A : Continent >> Planet (Yuuka Kazami, Shinki, Hecate From Gensokyo )
B : Country >> Continent
C : City >> Country (Big Yokai: Suika, Yukari, Ran etc )
D : Town >> City
E : Village >> Town
F : >> Village (Soldier, little monster)
note : the meaning of the symbol ">>" is that when using a little power he can destroy the minimum limit easily and if using full power there is a possibility he can destroy the maximum limit
For example : if the main character has power level b he can easily destroy a country and if using full power he can destroy a continent.
Let me know if I'm wrong in determining the power level of an anime character.
Weekly Power Status
-- Power
Ranking 
-- Power
stone