sgd to idrAs of 15:00PM UTC , one singapore dollar equals Rp12,648.02 (twelve thousand six hundred forty-eht rupiahs). We use the mid-market rate for SGD to IDR conversion. The current exchange rate is 12648.0167. IndonesianCheck live exchange rates for 1 SGD to IDR with our SGD to IDR chart. Exchange Singapore dollars to Indonesian rupiahs at a great exchange rate with OFX. SGD to IDR trend.