sgd to idrShort-Term Rate Forecast (Up to 1 Month) Our near-term forecast for the SGDIDR exchange rate suggests the following outlook: . Current Week Forecast: The rate is projectedDownload 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.