18 STD to QAR

18 STD = 0.0029 QAR at the rate on 2025-09-10.

1 STD = ﷼0.0002 ^{-﷼0.00000004 (-0.02%)} at the rate on 2025-09-10.

The cost of 18 Sao Tomean Dobras in Qatari Rials today is ﷼0.0029 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.02% (by -﷼0.00000004). 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.

Currency Converter

Sao Tomean Dobra

STD

Sao Tome And Principe

Qatari Rial

QAR

Qatar

With the currency converter, you can convert 18 Sao Tomean Dobras to Rials and find out how much eighteen dobras is currently worth in Rials. Also, you can make a reverse calculation and find out the current value of 18 Rials in Sao Tomean Dobras.

16 STD to QAR	17 STD to QAR	18 STD to QAR	19 STD to QAR	20 STD to QAR
﷼0.0026	﷼0.0028	﷼0.0029	﷼0.0031	﷼0.0033

16 STD to QAR

17 STD to QAR

18 STD to QAR

19 STD to QAR

20 STD to QAR

﷼0.0026

﷼0.0028

﷼0.0029

﷼0.0031

﷼0.0033

Graph of change in 18 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 18 Dobras (STD) in Rials (QAR)

Changes for the week (7 days)
Date	Day of the week	18 STD to QAR	Changes	Changes %
September 4, 2025	Thursday	18 STD = 0.0029 QAR	+0.000002 QAR	+0.06%
September 5, 2025	Friday	18 STD = 0.0029 QAR	-0.000003 QAR	-0.09%
September 6, 2025	Saturday	18 STD = 0.0029 QAR	+0.000004 QAR	+0.13%
September 7, 2025	Sunday	18 STD = 0.0029 QAR	-0.000002 QAR	-0.08%
September 8, 2025	Monday	18 STD = 0.0029 QAR	-0.000001 QAR	-0.03%
September 9, 2025	Tuesday	18 STD = 0.0029 QAR	+0.00000019 QAR	+0.01%
September 10, 2025 (today)	Wednesday	18 STD = 0.0029 QAR	-0.000001 QAR	-0.02%
The cost of 18 Dobras (STD) in Qatari Rials for a week (7 days) decreased by -﷼0.000003 (zero rial three dirhams).

Changes for the month (30 days)
Date	Day of the week	18 STD to QAR	Changes	Changes %
August 11, 2025	Monday	18 STD = 0.0029 QAR	-0.000007 QAR	-0.23%
September 10, 2025 (today)	Wednesday	18 STD = 0.0029 QAR	-0.000001 QAR	-0.03%
The cost of 18 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	18 STD to QAR	Changes	Changes %
September 10, 2024	Tuesday	18 STD = 0.0029 QAR	-0.000003 QAR	-0.12%
September 10, 2025 (today)	Wednesday	18 STD = 0.0029 QAR	-0.000001 QAR	-0.03%
The cost of 18 Dobras (STD) in Qatari Rials for a year (365 days) decreased by -﷼0.000001 (zero rial one dirham).

Currency Converter

Graph of change in 18 Sao Tomean Dobras to Qatari Rials rate

Dynamics of the cost changes of 18 Dobras (STD) in Rials (QAR)

Cross rate of 18 STD to other currencies