| AGE | USTA RANK | NINJA BELT |
| 5 | 1.0 | WHITE |
| 6 | 1.5 | YELLOW |
| 7 | 2.0 | BLUE |
| 8 | 2.5 | GREEN |
| 9 | 3.0 | PURPLE |
| 10 | 3.5 | BROWN |
| 11 | 4.0 | BLACK |
| 12 | 4.5 | BLACK |
| AGE | USTA RANK | NINJA BELT |
| 13 | 1.5 | WHITE |
| 14 | 2.0 | YELLOW |
| 15 | 2.5 | BLUE |
| 16 | 3.0 | GREEN |
| 17 | 3.5 | PURPLE |
| 18 | 4.0 | BROWN |
| 19 | 4.5 | BLACK |
| AGE | USTA RANK | NINJA BELT |
| 20 | 1.0 | WHITE |
| 25 | 1.5 | YELLOW |
| 30 | 2.0 | BLUE |
| 35 | 2.5 | GREEN |
| 40 | 3.0 | PURPLE |
| 45 | 3.5 | BROWN |
| 50 | 4.0 | BLACK |
| 55 + | 4.5 | BLACK |