1 IRR 
= 0.0005 STN 
at the rate on .
The cost of 1 Iranian Rial in Sao Tomean and Principe Dobra today is ₡0.0005 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate remained unchanged. The exchange rate of the Iranian Rial in relation to the Sao Tomean and Principe Dobra on the chart, the table of the dynamics of the cost as a percentage for the day, week, month and year.
| 1 IRR to STN | 2 IRR to STN | 3 IRR to STN |
|---|---|---|
| ₡0.0005 | ₡0.0010 | ₡0.0015 |
The Iranian Rial to Sao Tomean and Principe Dobra 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.
| Date | Day of the week | 1 IRR to STN | Changes | Changes % |
|---|---|---|---|---|
| August 31, 2025 | Sunday | 1 IRR = 0.0005 STN | +0.000003 STN | +0.50% |
| September 1, 2025 | Monday | 1 IRR = 0.0005 STN | -0.000004 STN | -0.86% |
| September 2, 2025 | Tuesday | 1 IRR = 0.0005 STN | +0.000009 STN | +1.82% |
| September 3, 2025 | Wednesday | 1 IRR = 0.0005 STN | -0.00000016 STN | -0.03% |
| September 4, 2025 | Thursday | 1 IRR = 0.0005 STN | -0.000006 STN | -1.17% |
| September 5, 2025 | Friday | 1 IRR = 0.0005 STN | +0.000006 STN | +1.27% |
| September 6, 2025 (today) | Saturday | 1 IRR = 0.0005 STN | - | - |
| The cost of 1 Rial (IRR) in Sao Tomean and Principe Dobra for a week (7 days) increased by +₡0.000005 (zero sao Tomean and Principe Dobra five centimos). | ||||
| Date | Day of the week | 1 IRR to STN | Changes | Changes % |
|---|---|---|---|---|
| August 7, 2025 | Thursday | 1 IRR = 0.0005 STN | -0.000001 STN | -0.14% |
| September 6, 2025 (today) | Saturday | 1 IRR = 0.0005 STN | +0.000004 STN | +0.71% |
| The cost of 1 Rial (IRR) in Sao Tomean and Principe Dobra for a month (30 days) increased by +₡0.000004 (zero sao Tomean and Principe Dobra four centimos). | ||||
| Date | Day of the week | 1 IRR to STN | Changes | Changes % |
|---|---|---|---|---|
| September 6, 2024 | Friday | 1 IRR = 0.0005 STN | +0.000007 STN | +1.38% |
| September 6, 2025 (today) | Saturday | 1 IRR = 0.0005 STN | -0.000025 STN | -4.97% |
| The cost of 1 Rial (IRR) in Sao Tomean and Principe Dobra for a year (365 days) decreased by -₡0.000025 (zero sao Tomean and Principe Dobra twenty-five centimos). | ||||
