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.Convert Japanese Yens to Indonesian Rupiahs with a conversion calculator, or Yens to Rupiahs conversion tables. Also view Yen to Rupiah currency charts.