Cost of living in Berkeley, California (United States) is 111% 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 353 prices entered by 36 different people.
For example, you would need at least 4,863TL ($1,236) in Berkeley, California to maintain the same standard of living that you can have with 2,300TL in Zonguldak.