USD to RON exchange rate on 2026-09-01 Closing rate1 USD = 4.5336 RONDay-over-day change: 0.37%Previous close: 4.5168More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Currency guides All USD rates All RON rates RON To USD