sgd to idrSGD to IDR Chart. Singapore Dollar to Indonesian Rupiah. 1 SGD = 0 IDR. 12H 1D 1W 1M 1Y 2Y 5Y 10Y. May 26, 2025, 08:50 UTC - May 26, 2025, 08:50 UTC SGDIDR close: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