Cost of living in Berkeley, California (United States) is 107% more expensive than in Zonguldak (Turkey)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 343 prices entered by 37 different people.
For example, you would need at least 4,755TL ($1,267) in Berkeley, California to maintain the same standard of living that you can have with 2,300TL in Zonguldak.