Convert 100 Old São Tomé Dobra (STD) to Guinean Franc (GNF)

Convert old São Tomé dobras to Guinean francs at the live mid-market rate. Reverse: GNF to STD

The Old São Tomé Dobra is no longer in use

Old São Tomé Dobra (STD) was replaced by the São Tomé and Príncipe Dobra (STN) in 2018. For today’s money, convert STN to GNF.

Amount

From

100 old São Tomé dobras =

41 GNF +0.67% today

1 STD = 0.405487 GNF · 1 GNF = 2.46617 STD

Mid-market rate, updated 06:23 UTC. Paid plans update as often as every 60 seconds. Get STD→GNF rates via API

STD to GNF over the last year

52-week high: 0.42623
52-week low: 0.40150
52-week average: 0.41296
Change over the year: −2.33%

Conversion tables

STD to GNF
STD	GNF
1 STD	0.4055 GNF
10 STD	4 GNF
100 STD	41 GNF
1,000 STD	405 GNF
10,000 STD	4,055 GNF
50,000 STD	20,274 GNF
100,000 STD	40,549 GNF

GNF to STD
GNF	STD
1 GNF	2.47 STD
10 GNF	24.66 STD
100 GNF	246.62 STD
1,000 GNF	2,466.17 STD
10,000 GNF	24,661.68 STD
50,000 GNF	123,308.39 STD
100,000 GNF	246,616.78 STD

Get STD→GNF rates via API

The live rate, the rate on any past day or a whole range, for GNF 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=STD -d currencies=GNF \
  -H "apikey: YOUR-API-KEY"

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

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Questions about STD to GNF

How much is 100 STD in GNF?

100 old São Tomé dobras is 41 Guinean francs at the mid-market rate of 4 October 2026, 06:23 UTC, when 1 STD = 0.405487 GNF.

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

Over the last 52 weeks 1 STD ranged from 0.401498 to 0.426228 GNF, 0.412963 GNF on average.

Which exchange rate is this?

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