yen to idrFind out the current value of 1 Japanese Yen in Indonesian Rupiah and the historical changes of the exchange rate. Use the currency converter to calculate the cost of 1 JPY in1 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.