yen to idrEasily convert Japanese Yen to Indonesian Rupiah with our fiat converter. 1 JPY is currently worth IDR 113.71.1 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.