The coversion rate is 1 to 1 in intervals of 1000.
The maximum amount that can be converted a day, depends on the Altars level. i.e. a level 16 Altar can preform 50 "sacrifices" a day, converting 50.000 of each resource into 50.000 Hero EXP.
|#||Sacrifices Per Day|
Each upgrade level of the Altar requires you to already have an Economic Center at the same upgraded level.
Construction time may vary between players, depending on their Construction Level and Political Points.