The rank and belt system in Upper Hutt Rembuden Karate are shown in the tables below. A beginner grades to 10th kyu (white belt) and works towards 1st Kyu.
After 1st kyu the next grading is black belt. The black belt or Dan grades start at 1st Dan (Shodan) and go up from there.
| Rank | Belt Colour |
| Ungraded | White |
| 10th kyu | White with one black tab |
| 9th kyu | Blue |
| 8th kyu | Blue with one black tab |
| 7th kyu | Yellow |
| 6th kyu | Yellow with one black tab |
| 5th kyu | Green |
| 4th kyu | Green with one black tab |
| 3rd kyu | Brown |
| 2th kyu | Brown with one black tab |
| 1st kyu | Brown with two black tabs |
| Dan Grades | Minimum time training since previous grading |
| 1st Dan Black Belt (Shodan) | A minimum of 4 years training Goju Ryu |
| 2nd Dan Black Belt (Nidan) | 2 years after Shodan |
| 3rd Dan Black Belt (Sandan) | 3 years after Nidan |
| 4th Dan Black Belt (Yondan) | 4 years after Sandan |
| 5th Dan Black Belt (Godan) | 5 years after Yondan |