At what age do males stop growing taller?

As everyone will soon tell you, everyone is different so no specific age can be determined but there wrong.

It is at the conclusion of puberty that males stop growing. Unlike females, males finish 'maturing' at the age of 18!

This is a specific guideline and it should be noted that males usually stop growing before they are fully mature, but as a term, males stop growing at 18 years of age.