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 over1 JPY = 114.27409 IDR May 21, 2025 05:09 UTC. Check the currency rates against all the world currencies here. The currency converter below is easy to use