sgd to idrCurrent IDR Conversion Rate As of 23:55:59 UTC, 1 Singapore Dollar (SGD) equals 12618.033305138 Indonesian Rupiah (IDR). Use our real-time currencyShort-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 projected