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.Check live exchange rates for 1 SGD to IDR with our SGD to IDR chart. Exchange Singapore dollars to Indonesian rupiahs at a great exchange rate with OFX. SGD to IDR trend.