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Guinean Franc (GNF) to São Tomé and Príncipe Dobra (STN)

Convert Guinean francs to São Tomé and Príncipe dobras at the live mid-market rate. Reverse: STN to GNF

1 Guinean Franc =

0.002466 STN −0.67% today

1 GNF = 0.00246617 STN · 1 STN = 405.487 GNF

Mid-market rate, updated 09:39 UTC. Paid plans update as often as every 60 seconds. Get GNF→STN rates via API

GNF to STN over the last year

0.002350.00240.002450.0025Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.0024907
52-week low
0.0023462
52-week average
0.0024220
Change over the year
+2.38%

Conversion tables

GNF to STN
GNF STN
1 GNF 0.002466 STN
10 GNF 0.02466 STN
100 GNF 0.2466 STN
1,000 GNF 2.47 STN
10,000 GNF 24.66 STN
50,000 GNF 123.31 STN
100,000 GNF 246.62 STN
STN to GNF
STN GNF
1 STN 405 GNF
10 STN 4,055 GNF
100 STN 40,549 GNF
1,000 STN 405,487 GNF
10,000 STN 4,054,874 GNF
50,000 STN 20,274,369 GNF
100,000 STN 40,548,739 GNF

Get GNF→STN rates via API

The live rate, the rate on any past day or a whole range, for STN and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=GNF -d currencies=STN \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=GNF -d currencies=STN \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about GNF to STN

How much is 1 GNF in STN?

1 Guinean Franc is 0.00246617 São Tomé and Príncipe dobras at the mid-market rate of 4 October 2026, 09:39 UTC, and 1 STN is 405.487 GNF.

What was the GNF to STN rate over the last year?

Over the last 52 weeks 1 GNF ranged from 0.00234616 to 0.00249067 STN, 0.00242203 STN on average.

Which exchange rate is this?

The mid-market rate: the midpoint between what currency markets pay and ask for GNF/STN, without the margin a bank or card issuer adds, so the rate you are charged is usually a little worse.