Guinean Franc (GNF) and Sao Tome Dobra (STD) Currency Exchange Rate Conversion Calculator

This Guinean Franc and Sao Tome Dobra convertor is up to date with exchange rates from October 25, 2026.

Enter the amount to be converted in the box to the left of Guinean Franc. Use "Swap currencies" to make Sao Tome Dobra the default currency. Click on Sao Tome Dobras or Guinean Francs to convert between that currency and all other currencies.

Guinean Franc (GNF)	Sao Tome Dobra (STD)

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The Guinean Franc is the currency in Guinea (GN, GIN). The Sao Tome Dobra is the currency in Sao Tome and Principe (ST, STP). The Guinean Franc is also known as Franc Guineen. The symbol for GNF can be written FG. The symbol for STD can be written Db. The Sao Tome Dobra is divided into 100 centimos. The exchange rate for the Guinean Franc was last updated on October 25, 2026 from MSN. The exchange rate for the Sao Tome Dobra was last updated on May 3, 2023 from Yahoo Finance. The GNF conversion factor has 3 significant digits. The STD conversion factor has 5 significant digits.