21 STD to GNF

21 STD = 8.18 GNF at the rate on 2025-09-11.

1 STD = 0.39 GNF ^{+0.0007 GNF (+0.18%)} at the rate on 2025-09-11.

The cost of 21 Sao Tomean Dobras in Guinea Francs today is 8.18 GNF according to the “Open Exchange Rates”, compared to yesterday, the exchange rate increased by 0.18% (by +0.0007 GNF). The exchange rate of the Sao Tomean Dobra in relation to the Guinea Franc on the chart, the table of the dynamics of the cost as a percentage for the day, week, month and year.

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Sao Tomean Dobra

STD

Sao Tome And Principe

Guinea Franc

GNF

Guinea

With the currency converter, you can convert 21 Sao Tomean Dobras to Francs and find out how much twenty-one dobras is currently worth in Francs. Also, you can make a reverse calculation and find out the current value of 21 Francs in Sao Tomean Dobras.

19 STD to GNF	20 STD to GNF	21 STD to GNF	22 STD to GNF	23 STD to GNF
7.40 GNF	7.79 GNF	8.18 GNF	8.57 GNF	8.96 GNF

19 STD to GNF

20 STD to GNF

21 STD to GNF

22 STD to GNF

23 STD to GNF

7.40 GNF

7.79 GNF

8.18 GNF

8.57 GNF

8.96 GNF

Graph of change in 21 Sao Tomean Dobras to Guinea Francs rate

Select the period for plotting the chart:

The Sao Tomean Dobra to Franc exchange rate on the chart allows you to track changes over different periods and draw conclusions about possible forecasts of the exchange rate of one currency in relation to another.

Dynamics of the cost changes of 21 Dobras (STD) in Francs (GNF)

Changes for the week (7 days)
Date	Day of the week	21 STD to GNF	Changes	Changes %
September 5, 2025	Friday	21 STD = 8.16 GNF	-0.01 GNF	-0.12%
September 6, 2025	Saturday	21 STD = 8.15 GNF	-0.01 GNF	-0.17%
September 7, 2025	Sunday	21 STD = 8.15 GNF	+0.0029 GNF	+0.03%
September 8, 2025	Monday	21 STD = 8.15 GNF	-0.0006 GNF	-0.01%
September 9, 2025	Tuesday	21 STD = 8.17 GNF	+0.02 GNF	+0.21%
September 10, 2025	Wednesday	21 STD = 8.16 GNF	-0.0048 GNF	-0.06%
September 11, 2025 (today)	Thursday	21 STD = 8.18 GNF	+0.02 GNF	+0.18%
The cost of 21 Dobras (STD) in Guinea Francs for a week (7 days) increased by +0.02 GNF (zero franc two centime).

Changes for the month (30 days)
Date	Day of the week	21 STD to GNF	Changes	Changes %
August 12, 2025	Tuesday	21 STD = 8.17 GNF	-0.0012 GNF	-0.02%
September 11, 2025 (today)	Thursday	21 STD = 8.18 GNF	+0.0020 GNF	+0.02%
The cost of 21 Dobras (STD) in Guinea Francs for a month (30 days) increased by +0.0020 GNF (zero franc twenty centime).

Changes for the year (365 days)
Date	Day of the week	21 STD to GNF	Changes	Changes %
September 11, 2024	Wednesday	21 STD = 8.15 GNF	-0.0039 GNF	-0.05%
September 11, 2025 (today)	Thursday	21 STD = 8.18 GNF	+0.03 GNF	+0.39%
The cost of 21 Dobras (STD) in Guinea Francs for a year (365 days) increased by +0.03 GNF (zero franc three centime).

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Graph of change in 21 Sao Tomean Dobras to Guinea Francs rate

Dynamics of the cost changes of 21 Dobras (STD) in Francs (GNF)

Cross rate of 21 STD to other currencies