Keria (Ryu Min-seok) is reported to be around 1.65 to 1.73 meters tall in various fan and media sources, with 1.65 m (165 cm) being the most commonly cited figure in a few social posts, and some profiles listing 173 cm. Given the variability in unverified sources, the most consistently reported figure appears to be 165 cm, though 173 cm is also seen in some profiles. If you need a precise, officially confirmed height, it might require a direct statement from Keria or his managing organization.