yen to idr1 JPY to IDR stats. The performance of JPY to IDR in the last 30 days saw a 30 day hh of 118.3690 and a 30 day low of 112.6230. This means the 30 day average was 114.7174.Get the latest 1 Japanese Yen to Indonesian Rupiah rate for FREE with the orinal Universal Currency Converter. Set rate alerts for to and learn more about Japanese Yen and Indonesian