Old Belarusian Ruble (BYR) and Electronic Gulden (EFL) Currency Exchange Rate Conversion Calculator

This Old Belarusian Ruble and Electronic Gulden convertor is up to date with exchange rates from September 19, 2026.

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

Old Belarusian Ruble (BYR)	Electronic Gulden (EFL)

Other countries and currencies

The Old Belarusian Ruble is the currency in Belarus (BY, BLR, Belorussia). The Electronic Gulden is the currency in no countries. The symbol for BYR can be written BR. The symbol for EFL can be written EFL. The exchange rate for the Old Belarusian Ruble was last updated on September 18, 2026 from MSN. The exchange rate for the Electronic Gulden was last updated on December 4, 2019 from coinmarketcap.com. The BYR conversion factor has 4 significant digits. The EFL conversion factor has 12 significant digits.