sgd to idrGet instant access to a free live streaming SGD IDR chart. This unique Singapore Dollar Indonesian Rupiah chart enables you to clearly notice the behavior of this pair.Download Our Currency Converter App ; 1 SGD, 12,713.10000 IDR ; 5 SGD, 63,565.50000 IDR ; 10 SGD, 127,131.00000 IDR ; 20 SGD, 254,262.00000 IDR.