BYN to CUP exchange rate on 2026-08-31 Closing rate1 BYN = 7.9641 CUPDay-over-day change: -0.15%Previous close: 7.9760More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-18 Guide valutarie Tutti i tassi BYN Tutti i tassi CUP CUP Per BYN