sgd to idrSGDIDR Exchange Rate One Year ago: 11861.1373: Change in Last Full Year: +6.59% Singapore Dollar to Indonesian Rupiah currency exchange FAQs1 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 average