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.This August 2020 , we are expecting FX_IDC:SGDIDR to tumble at 10,919.605 area. For the past two months the prices are compressed thtly. Hopefully before the 17th August Independence Day, IDR will emerge stronger than SGD. Here