sgd to idrSingapore Dollars to Indonesian Rupiahs 1.0000 SGD = 12754.2748 IDR · 1 Singapore Dollar to Indonesian Rupiah historical data.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