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.Pilih Bahasa! Indonesian. English Indonesian . IDR USD: 16.815. Per Tanggal: 16 Apr 2025 17:00. IDR AUD. 10.705. IDR CNY. 2.300.