sgd to idrSGD to IDR forecast for May 2025.In the beginning at 12709 Indonesian Rupiahs. Maximum 12931, minimum 11546. The averaged exchange rate 12452. SGD to IDR forecast at theSGD 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: