Member heights
JO1 Member Heights
JO1 member heights ranked tallest to shortest, from Sato Keigo at 182 cm (6 ft 0 in) to Kawanishi Takumi at 170 cm (5 ft 7 in).
Tallest to shortest
| Rank | Member | Height | Position |
|---|---|---|---|
| #1 |  Sato KeigoMember | 182 cm6 ft 0 in | Dancer and Vocalist |
| #2 |  Kinjo SukaiMember | 180 cm5 ft 11 in | Vocalist and sometimes a Rapper |
| #3 |  Yonashiro ShoMember | 180 cm5 ft 11 in | Leader |
| #4 |  Tsurubo ShionMember | 178 cm5 ft 10 in | Main Rapper |
| #5 |  Ohira ShoseiMember | 176 cm5 ft 9 in | Lead Dancer, Vocalist, and Rapper |
| #6 |  Kono JunkiMember | 175 cm5 ft 9 in | Vocal Leader |
| #7 |  Shiroiwa RukiMember | 175 cm5 ft 9 in | Vocalist and Rapper |
| #8 |  Kawashiri RenMember | 174 cm5 ft 9 in | Performance Leader |
| #9 |  Mamehara IsseiMember | 173 cm5 ft 8 in | Center |
| #10 |  Kimata SyoyaMember | 171 cm5 ft 7 in | Rapper, Sub-Vocalist, and Dancer |
| #11 |  Kawanishi TakumiMember | 170 cm5 ft 7 in | Lead Vocalist, Lead Dancer, and Rapper |