Cost of living in Boulder, Colorado (United States) is 183% more expensive than in Zrenjanin (Serbia)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 247 prices entered by 34 different people.
For example, you would need at least 206,776 Дин. ($1,993) in Boulder, Colorado to maintain the same standard of living that you can have with 73,000 Дин. in Zrenjanin.