Gyomei: 27 years old — 220cm Tengen: 23 years old — 198cm Genya: 16 years old — 180cm Sanemi: 21 years old — 179cm Rengoku: 20 years old — 177cm Giyuu: 21 years old — 176cm Mitsuri: 19 years old — 167cm Tanjiro: 15 years old — 165cm Zenitsu: 16 years old — 164.5cm Inosuke: 15 years old — 164cm Kanae: 21 years old — 163cm Obanai: 21 years old — 162cm Shinobu: 18 years old — 160cm Kanao: 16 years old — 156cm Nezuko: 8 years old — 115cm Muichiro: 4 years old — 109cm