sgd to idrThe average for the month 13534. SGD to IDR forecast at the end of the month 13521, change for November -0.4%. SGD to IDR forecast for December 2025. In the beginning1 SGD to IDR - Convert Singapore Dollars to Indonesian Rupiahs. Xe Currency Converter. Convert Send Charts Alerts. Amount. 1 S$ From. SGD - Singapore Dollar. To.