SGD to CUP exchange rate on 2026-09-12 Closing rate1 SGD = 18.9405 CUPDay-over-day change: 0.00%Previous close: 18.9411More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-20 Currency guides All SGD rates All CUP rates CUP To SGD