sgd to idrSGD to IDR: Convert Singapore Dollars to Indonesian Rupiahs · 1 SGD = 12,668.2489 IDR · 1. Start your money transfer · 2. Check out our rates and fees · 3. SendCheck 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.