18 STD to SAR

18 STD = 0.0030 SAR at the rate on 2025-09-11.

1 STD = ﷼0.0002 ^{-﷼0.00000001 (-0.0036%)} at the rate on 2025-09-11.

The cost of 18 Sao Tomean Dobras in Saudi Riyals today is ﷼0.0030 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.0036% (by -﷼0.00000001). The exchange rate of the Sao Tomean Dobra in relation to the Saudi Riyal 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

Saudi Riyal

SAR

Saudi Arabia

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

16 STD to SAR	17 STD to SAR	18 STD to SAR	19 STD to SAR	20 STD to SAR
﷼0.0027	﷼0.0029	﷼0.0030	﷼0.0032	﷼0.0034

16 STD to SAR

17 STD to SAR

18 STD to SAR

19 STD to SAR

20 STD to SAR

﷼0.0027

﷼0.0029

﷼0.0030

﷼0.0032

﷼0.0034

Graph of change in 18 Sao Tomean Dobras to Saudi Riyals rate

Select the period for plotting the chart:

The Sao Tomean Dobra to Riyal 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 Riyals (SAR)

Changes for the week (7 days)
Date	Day of the week	18 STD to SAR	Changes	Changes %
September 5, 2025	Friday	18 STD = 0.0030 SAR	+0.00000032 SAR	+0.01%
September 6, 2025	Saturday	18 STD = 0.0030 SAR	-0.000002 SAR	-0.06%
September 7, 2025	Sunday	18 STD = 0.0030 SAR	-0.000001 SAR	-0.04%
September 8, 2025	Monday	18 STD = 0.0030 SAR	+0.000002 SAR	+0.08%
September 9, 2025	Tuesday	18 STD = 0.0030 SAR	+0.00000021 SAR	+0.01%
September 10, 2025	Wednesday	18 STD = 0.0030 SAR	-0.00000003 SAR	-0.0011%
September 11, 2025 (today)	Thursday	18 STD = 0.0030 SAR	-0.00000011 SAR	-0.0036%
The cost of 18 Dobras (STD) in Saudi Riyals for a week (7 days) decreased by -﷼0.00000048 (zero riyal forty-eight halala).

Changes for the month (30 days)
Date	Day of the week	18 STD to SAR	Changes	Changes %
August 12, 2025	Tuesday	18 STD = 0.0030 SAR	-0.00000031 SAR	-0.01%
September 11, 2025 (today)	Thursday	18 STD = 0.0030 SAR	-0.000001 SAR	-0.03%
The cost of 18 Dobras (STD) in Saudi Riyals for a month (30 days) decreased by -﷼0.000001 (zero riyal one halalah).

Changes for the year (365 days)
Date	Day of the week	18 STD to SAR	Changes	Changes %
September 11, 2024	Wednesday	18 STD = 0.0030 SAR	+0.000001 SAR	+0.02%
September 11, 2025 (today)	Thursday	18 STD = 0.0030 SAR	-0.000001 SAR	-0.03%
The cost of 18 Dobras (STD) in Saudi Riyals for a year (365 days) decreased by -﷼0.000001 (zero riyal one halalah).

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Graph of change in 18 Sao Tomean Dobras to Saudi Riyals rate

Dynamics of the cost changes of 18 Dobras (STD) in Riyals (SAR)

Cross rate of 18 STD to other currencies