sgd to idrThe SGD to IDR exchange rate has experienced some fluctuations over time. Over the past week, the rate fell by -0.35%. Over the past month, it saw a -1.67% dec. Over the last year,The 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 beginning