sgd to idr1 IDR to SGD - Convert Indonesian Rupiahs to Singapore Dollars. Xe Currency Converter. Convert Send Charts Alerts. Amount. 1 Rp. From. IDR - Indonesian Rupiah.SGD to IDR forecast for May 2025.In the beginning at 12709 Indonesian Rupiahs. Maximum 12931, minimum 11546. The averaged exchange rate 12452. SGD to IDR forecast at the