Cost of living in Berkeley, California (United States) is 109% 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 270 prices entered by 33 different people.
For example, you would need at least 4,815TL ($1,242) in Berkeley, California to maintain the same standard of living that you can have with 2,300TL in Zonguldak.