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.This SGDIDR Chart lets you see this pair's currency rate history for up to 60 days. uses hhly accurate, actual street rates of money changers. Best money