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. IndonesianThe 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,