[Perhaps alteration (influenced by pool) of obsolete cesperalle, drainpipe, from Middle English suspiral, vent, from Old French sospirail, breathing hole, from souspirer, to breathe, from Latin suspÄ«rÄre, to sigh; see suspire.]
The Russian Ruble is also known as the Russian Rouble. The United States Dollar is also known as the American Dollar, and the US Dollar. The symbol for RUB can be written R. The symbol for USD can be written $. The Russian Ruble is divided into 100 kopecks. The United States Dollar is divided into 100 cents.
Currency Questions. Since the crash of 1998, the Russian ruble has remained fairly stable, except for a few wobbles during the 2008 financial crisis, standing at around 30 rubles to the US dollar and around 40 rubles to the euro. You can see today's exchange rates here.