sgd to idr1 SGD to IDR - Convert Singapore Dollars to Indonesian Rupiahs. Xe Currency Converter. Convert Send Charts Alerts. Amount. 1 S$ From. SGD - Singapore Dollar. To.1 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