yen to idrLive Japanese Yen to Indonesian Rupiah exchange rate forecast for 2025 and 2026. View daily, weekly, monthly, and yearly predictions, currency trends, and market inshts.This 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 over