Its inner area is 56,000 mē. It is 118 m long and 49 m wide.
It has a reverberation time of more than 9 seconds.
Its semi sphere dome is situated in the middle and has 12 windows.
It is 71.5 m high inside, with a diameter of 33.5 meters,
and is 100 m high from outside, counted from the crypt.
It is the tallest building in Hungary.