yen to idrThis is the Japanese Yen (JPY) to Indonesian Rupiah (IDR) exchange rate history summary page for 2018. Hhest: 136.11 IDR on October 28, 2018: Average: 128.42 IDR overConvert Japanese Yen to Indonesian Rupiah and see the latest mid-market rate for informational purposes only. Learn more about Xe's currency tools, transfers, alerts, and data API.