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 12,649.1000. This means the 30 day averageLatest Currency Exchange Rates: 1 Singapore Dollar = 12691.115 Indonesian Rupiah. On this page convert SGD to IDR using live currency rates as of 21052025 03