The Rouble Currency Calculator RUB Currency Exchange Rate What is the unit of money in Kaliningrad. Currency in Kaliningrad. The Rouble (RUB; symbol руб) = 100 kopeks. Notes are in denominations of руб5,000, 1,000, 500, 100, 50 and 10. Coins are in denominations of руб10, 5, 2 and 1, and 50, 10, 5 and 1 [...]