Cost of living in Kalisz (Poland) is 46% more expensive than in Zaporizhzhya (Ukraine)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 105 prices entered by 8 different people.
For example, you would need at least 17,553₴ (2,283 zł) in Kalisz to maintain the same standard of living that you can have with 12,000₴ in Zaporizhzhya.