Russian ruble RUB to Euro Eur currency converter. € Euro Eur Ruble RUB Руб Russia, Moscow, Saint Petersburg The exchange rate is automatically updated. Easy one click conversion. Very intuitive. No decimal errors when converting. Keyboard always on screen for a better display, it doesn't pop up. You can close the app through the exit button to stop it from consuming mobile resources. Can work offline. If the internet connection is not available, it uses the last exchange rate available.