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.Get the latest Indonesian Rupiah to Singapore Dollar (IDR SGD) real-time quote, historical performance, charts, and other financial information to help you make more informed trading