Old Belarusian Ruble (BYR) and Cuban Convertible Peso (CUC) Currency Exchange Rate Conversion Calculator

This Old Belarusian Ruble and Cuban Convertible Peso convertor is up to date with exchange rates from October 18, 2025.

Enter the amount to be converted in the box to the left of Old Belarusian Ruble. Use "Swap currencies" to make Cuban Convertible Peso the default currency. Click on Cuban Convertible Pesos or Old Belarusian Rubles to convert between that currency and all other currencies.

Old Belarusian Ruble (BYR)	Cuban Convertible Peso (CUC)

Other countries and currencies

The Old Belarusian Ruble is the currency in Belarus (BY, BLR, Belorussia). The Cuban Convertible Peso is the currency in Cuba (CU, CUB). The symbol for BYR can be written BR. The exchange rate for the Old Belarusian Ruble was last updated on June 5, 2023 from MSN. The exchange rate for the Cuban Convertible Peso was last updated on October 16, 2025 from The International Monetary Fund. The BYR conversion factor has 5 significant digits. The CUC conversion factor has 6 significant digits.