He evolves at Level 45, my friend. Though, I suggest you don't evolve it until Level 57 as it learns some good moves Metagross doesn't learn until the 60s, like Zen Headbutt and Hyper Beam. Glad I could help. ;)
Lvl 45
Metang evolves into a Metagross at level 45.
level 45
level 45
At level 45.
Yes, Metang will continue to attempt to evolve until it reaches level 100.
In Pokemon Indigo Metang will evolve into Metagross at Level 45 however Metang would've evolved from Beldum at Level 20.
level 20.
it evolves at level 45
In Pokemon HeartGold, Metang evolves into Metagross at Lv. 45 .
Metang will evolve at level 45.
At level 62 and then trade it and it has to have a meteor piece which you can get in Pokemon ruby destiny