The exchange rate of two currencies is the rated at which the currencies are exchanged. The term is also known as FX, forex rate or foreign exchange rate. The exchange rates of most currencies various from bank to bank but the main currency is set by each country national bank. The currency pair is the the quotation of the relative value of a currency unit against the unit of another currency in the foreign exchange market. For example if JPY/RUB is 0.334 this means that 1 JPY = 0.334 RUB. The inverse follows the same pattersn, if RUB/JPY is 1 it means that 1 RUB = 1 JPY. If you like this page on the JPY to RUB exchange rate please share it on the social networks.