sgd to idr1 SGD = 12860.2 IDR. SGD to IDR in Central. SGD, IDR. 1 SGD, 12,860.2 IDR. 5 SGD, 64,301 IDR. 10 SGD, 128,602 IDR. 25 SGD, 321,505 IDR. 50 SGD, 643,010 IDR.1 IDR to SGD - Convert Indonesian Rupiahs to Singapore Dollars. Xe Currency Converter. Convert Send Charts Alerts. Amount. 1 Rp. From. IDR - Indonesian Rupiah.