The Iranian rial is the official currency once used in Iran. The standard symbol is IRR and the symbol is. It is issued by the Central Bank of the Islamic Republic of Iran. Its auxiliary unit is dinars, and 1 rial is equal to 100 dinars. However, people generally use Tuman for pricing, and 1 Tuman is equal to 10 rials.

On May 4, 2020, the Iranian Parliament passed an amendment to the Iranian Currency and Banking Law, changing the official currency to Tuman, stipulating that 1 Tuman is equal to 10,000 rials, and setting a two-year transition period to gradually replace the old currency.[5] [8]. The reform aims to deal with the problem of excessive face value caused by long-term inflation. In 2019, the exchange rate of the US dollar against the riyal reached 1:42,016.

Rial notes have denominations of 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 500000 and 1000000 rials.

Coins have denominations of 1, 2, 5, 10, 20, and 50 rials (before the Islamic Revolution); coins issued after the Revolution have denominations of 50, 100, 250, 500, 1000, 2000, and 5000 rials.

The Iranian rial is the official currency once used in Iran. The standard symbol is IRR and the symbol is. It is issued by the Central Bank of the Islamic Republic of Iran. Its auxiliary unit is dinars, and 1 rial is equal to 100 dinars. However, people generally use Tuman for pricing, and 1 Tuman is equal to 10 rials.

On May 4, 2020, the Iranian Parliament passed an amendment to the Iranian Currency and Banking Law, changing the official currency to Tuman, stipulating that 1 Tuman is equal to 10,000 rials, and setting a two-year transition period to gradually replace the old currency.[5] [8]. The reform aims to deal with the problem of excessive face value caused by long-term inflation. In 2019, the exchange rate of the US dollar against the riyal reached 1:42,016.

On October 5, 2025, Parliament approved a new round of currency reform, which plans to remove four zeros from the face value of the currency in the next few years to simplify the transaction process. According to the plan, the currency will still retain the name of the Rial after the reform, and the central bank will implement a two-year preparation period and a three-year parallel transition period between old and new currencies.

Rial notes have denominations of 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 500000 and 1000000 rials.

Coins have denominations of 1, 2, 5, 10, 20, and 50 rials (before the Islamic Revolution); coins issued after the Revolution have denominations of 50, 100, 250, 500, 1000, 2000, and 5000 rials.