Ruble Definition
The ruble (Russian рубль, French-derived transliteration rouble) is the currency of the Russian Federation (and formerly, of the Soviet Union and the Russian Empire). One ruble is divided into 100 kopeks (копе́йка). The ISO 4217 currency code for the ruble is now RUB; the former code, RUR, referres to the currency prior to 1997 denomination.