4 STD to IRR

4 STD = 7.55 IRR at the rate on 2025-09-05.

1 STD = ﷼1.89 ^{-﷼0.0007 (-0.04%)} at the rate on 2025-09-05.

The cost of 4 Sao Tomean Dobras in Iranian Rials today is ﷼7.55 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.04% (by -﷼0.0007). The exchange rate of the Sao Tomean Dobra in relation to the Iranian 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

Iranian Rial

IRR

Iran

With the currency converter, you can convert 4 Sao Tomean Dobras to Rials and find out how much four dobras is currently worth in Rials. Also, you can make a reverse calculation and find out the current value of 4 Rials in Sao Tomean Dobras.

2 STD to IRR	3 STD to IRR	4 STD to IRR	5 STD to IRR	6 STD to IRR
﷼3.78	﷼5.66	﷼7.55	﷼9.44	﷼11.33

2 STD to IRR

3 STD to IRR

4 STD to IRR

5 STD to IRR

6 STD to IRR

﷼3.78

﷼5.66

﷼7.55

﷼9.44

﷼11.33

Graph of change in 4 Sao Tomean Dobras to Iranian 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 4 Dobras (STD) in Rials (IRR)

Changes for the week (7 days)
Date	Day of the week	4 STD to IRR	Changes	Changes %
August 30, 2025	Saturday	4 STD = 7.55 IRR	-	-
August 31, 2025	Sunday	4 STD = 7.55 IRR	+0.0022 IRR	+0.03%
September 1, 2025	Monday	4 STD = 7.55 IRR	-	-
September 2, 2025	Tuesday	4 STD = 7.55 IRR	-0.0045 IRR	-0.06%
September 3, 2025	Wednesday	4 STD = 7.55 IRR	-	-
September 4, 2025	Thursday	4 STD = 7.55 IRR	+0.0045 IRR	+0.06%
September 5, 2025 (today)	Friday	4 STD = 7.55 IRR	-0.0027 IRR	-0.04%
The cost of 4 Dobras (STD) in Iranian Rials for a week (7 days) decreased by -﷼0.0004 (zero rial four dinars).

Changes for the month (30 days)
Date	Day of the week	4 STD to IRR	Changes	Changes %
August 6, 2025	Wednesday	4 STD = 7.56 IRR	-	-
September 5, 2025 (today)	Friday	4 STD = 7.55 IRR	-0.01 IRR	-0.15%
The cost of 4 Dobras (STD) in Iranian Rials for a month (30 days) decreased by -﷼0.01 (zero rial one dinar).

Changes for the year (365 days)
Date	Day of the week	4 STD to IRR	Changes	Changes %
September 5, 2024	Thursday	4 STD = 7.56 IRR	+0.0022 IRR	+0.03%
September 5, 2025 (today)	Friday	4 STD = 7.55 IRR	-0.01 IRR	-0.11%
The cost of 4 Dobras (STD) in Iranian Rials for a year (365 days) decreased by -﷼0.01 (zero rial one dinar).

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Graph of change in 4 Sao Tomean Dobras to Iranian Rials rate

Dynamics of the cost changes of 4 Dobras (STD) in Rials (IRR)

Cross rate of 4 STD to other currencies