sgd to idr1 SGD = 12,719.999218 IDR May 21, 2025 05:45 UTC. Check the currency rates against all the world currencies here. The currency converter below is easy toSGD 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. Send