21 STD to QAR

21 STD = 0.0034 QAR at the rate on 2025-09-11.

1 STD = ﷼0.0002 at the rate on 2025-09-11.

The cost of 21 Sao Tomean Dobras in Qatari Rials today is ﷼0.0034 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate remained unchanged. The exchange rate of the Sao Tomean Dobra in relation to the Qatari Rial 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

Qatari Rial

QAR

Qatar

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

19 STD to QAR	20 STD to QAR	21 STD to QAR	22 STD to QAR	23 STD to QAR
﷼0.0031	﷼0.0033	﷼0.0034	﷼0.0036	﷼0.0038

19 STD to QAR

20 STD to QAR

21 STD to QAR

22 STD to QAR

23 STD to QAR

﷼0.0031

﷼0.0033

﷼0.0034

﷼0.0036

﷼0.0038

Graph of change in 21 Sao Tomean Dobras to Qatari Rials rate

Select the period for plotting the chart:

The Sao Tomean Dobra to Rial 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 Rials (QAR)

Changes for the week (7 days)
Date	Day of the week	21 STD to QAR	Changes	Changes %
September 5, 2025	Friday	21 STD = 0.0034 QAR	-0.000003 QAR	-0.09%
September 6, 2025	Saturday	21 STD = 0.0034 QAR	+0.000004 QAR	+0.13%
September 7, 2025	Sunday	21 STD = 0.0034 QAR	-0.000003 QAR	-0.08%
September 8, 2025	Monday	21 STD = 0.0034 QAR	-0.000001 QAR	-0.03%
September 9, 2025	Tuesday	21 STD = 0.0034 QAR	+0.00000023 QAR	+0.01%
September 10, 2025	Wednesday	21 STD = 0.0034 QAR	-0.000001 QAR	-0.02%
September 11, 2025 (today)	Thursday	21 STD = 0.0034 QAR	-	-
The cost of 21 Dobras (STD) in Qatari Rials for a week (7 days) increased by +﷼0.00000005 (zero rial five dirhams).

Changes for the month (30 days)
Date	Day of the week	21 STD to QAR	Changes	Changes %
August 12, 2025	Tuesday	21 STD = 0.0034 QAR	-0.00000026 QAR	-0.01%
September 11, 2025 (today)	Thursday	21 STD = 0.0034 QAR	-0.000001 QAR	-0.03%
The cost of 21 Dobras (STD) in Qatari Rials for a month (30 days) decreased by -﷼0.000001 (zero rial one dirham).

Changes for the year (365 days)
Date	Day of the week	21 STD to QAR	Changes	Changes %
September 11, 2024	Wednesday	21 STD = 0.0034 QAR	-0.00000041 QAR	-0.01%
September 11, 2025 (today)	Thursday	21 STD = 0.0034 QAR	-0.000001 QAR	-0.02%
The cost of 21 Dobras (STD) in Qatari Rials for a year (365 days) decreased by -﷼0.000001 (zero rial one dirham).

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Graph of change in 21 Sao Tomean Dobras to Qatari Rials rate

Dynamics of the cost changes of 21 Dobras (STD) in Rials (QAR)

Cross rate of 21 STD to other currencies