power levels

F- (you are much weaker than a civilian child)

F (you are as strong as a civilian child)

F+ (you are the strongest of civilian children)

E- (you are as strong as the old civilian)

E (you are as strong as an adult)

E+ (weaker than ninja boy)

D- (the weakest at the academy level)

D (academy level)

D+ (the strongest in the academy)

C- (the weakest of the genes)

C (level of the gene)

C+ (the most powerful gene)

B- (the weakest chunin)

B (chunin level)

B+ (the strongest chunin)

A- (the weakest of the jonins)

A (jonin level)

A+ (the strongest jonin/anbu level)

S- (low level kage)

S (kage level)

S+ (super kage level)

SS- (tailed monster level)

SS (naruto + sasuke power level)

SS+ (otsutsuki power level)

USR+ (god level)

basic => intermediate => advanced => grandmaster