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 code for the Singapore Dollar is SGD; The symbol for the Singapore Dollar is $ The code for the Indonesian Rupiah is IDR; The symbol for the Indonesian Rupiah is Rp; The SG Dollar is