UM Scale | Japanese Scale |
A+ | 90-100% (Shu or Superior) |
A | 80-89% (Shu or Superior) |
B+ | 75-79% (Yu or Excellent) |
B | 70-74%(Yu or Excellent) |
C+ | 65-69% (Ryo or Good) |
C | 60-64% (Ryo or Good) |
F | 0-59% (Fuka or Fail) |