RUB to CUP exchange rate on 2026-09-17 Closing rate1 RUB = 0.2845 CUPDay-over-day change: -0.06%Previous close: 0.2847More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Currency guides All RUB rates All CUP rates CUP To RUB