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.Check live exchange rates for 1 JPY to IDR with our JPY to IDR chart. Exchange Japanese yen to Indonesian rupiahs at a great exchange rate with OFX.