sgd to idr1 SGD to IDR stats. The performance of SGD to IDR in the last 30 days saw a 30 day hh of 12,852.1000 and a 30 day low of 12,647.7000. This means the 30 day average was 12,717.7033. The change for SGD to IDR was -0.95.The averaged exchange rate 13233. SGD to IDR forecast at the end of the month 13328, the change for September 2.2%. SGD to IDR forecast for October 2025. In