sgd to idrLatest Currency Exchange Rates: 1 Singapore Dollar = 12691.115 Indonesian Rupiah. On this page convert SGD to IDR using live currency rates as of 21052025 03The 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,