Is Istanbul expensive for foreigners?
For most foreigners, Istanbul is cheaper than the city they are moving from — particularly across rent, groceries, transport and dining. Where it can surprise people is in three places: premium districts (where rent multiples climb fast), international schooling (which is priced in foreign currency for many schools) and imported goods (which carry meaningful import duties).
The calculator above produces a full breakdown — switching between budget, central and premium districts is the single fastest way to see how much your district choice drives the total.