Hermione has an average height for a girl, Harry is a small boy, so the answer is: we don't know.
Evanna Lynch, the actress, is approximately1.58m (5' 2").
We are never told Harrys exact height (and J K Rowling has never said anything in interviews)From the books we are just told:"...at age 11 Harry was short and thin..." - - and"...Harry had always been small and skinny for his age" (That was said in book one)At the end of the DH he was exactly as tall as James Potter. And James was often described as tall even by Voldemort.Daniel Radcliffe, the actor who plays him, is 5'5.Probably about 6' as he was as tall as his father at the end of the 7th book and James was always described as tall even by Voldemort.
His height was not specified.
Aidan Potter is 5' 4".
Tim Finnigan is 6'.
Chris Finnigan is 5' 7".
Paul Finnigan is 5' 7 1/2".
Seamus Gubbins is 6'.
It is never stated.
Seamus McNulty is 4' 8".
Daniel Radcliffe was 5' 5" (1.65 m) for Harry Potter and the Deathly Hallows.
Daniel Radcliffe's height in Harry Potter and the Chamber of Secrets isn't public knowledge.
That isn't specified.
Hermione has an average height for a girl, Harry is a small boy, so the answer is: we don't know.
He's 177cm, or 5ft 9.5 inches.
He is around 5 ft 5 currently