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 averageThe SGD to IDR exchange rate has experienced some fluctuations over time. Over the past week, the rate fell by -0.35%. Over the past month, it saw a -1.67% dec. Over the last year,