CUP to RUB exchange rate on 2026-08-28 Closing rate1 CUP = 3.5780 RUBDay-over-day change: 1.86%Previous close: 3.5127More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Currency guides All CUP rates All RUB rates RUB To CUP