The ruling means Choudary - considered by security chiefs to be one of the most dangerous men in Britain - cannot leave jail before he is 85.
The sentence means Choudary cannot seek to leave jail on licence until he is more than 85 years old.
The radical cleric faces a life sentence for directing a group banned under UK terror laws.
Anjem Choudary has been found guilty of directing the group al-Muhajiroun.
Mr Choudary told the jury he had "never moved on" like Kevin Keegan playing football for Liverpool.
The radical preacher faces charges including being a member of a banned organisation.
He is in court facing charges including directing the group Al-Muhajiroun, which is banned in the UK.
The radical preacher is facing two terror charges over his alleged membership of a banned group.
The radical preacher is facing three terror charges over his alleged membership of a banned group.
