sgd to idr1 SGD = 12,676.7785 IDR Exchange rates may vary. Fees may apply. Singapore Dollars to Indonesian Rupiahs: exchange rates SGD. IDR. 1 SGD, 12,628.63 IDR.The hh point for the IDRSGD rate was 0.00008517 Singapore Dollars per Indonesian Rupiah on September 20, 2025. What was the lowest IDR to SGD exchange rate