BYN to ARS exchange rate on 2026-08-21 Closing rate1 BYN = 492.7644 ARSDay-over-day change: -0.05%Previous close: 492.9876More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-18 Guide valutarie Tutti i tassi BYN Tutti i tassi ARS ARS Per BYN