Omani Rial (OMR) and Old Turkmenistan Manat (TMM) Currency Exchange Rate Conversion Calculator

This Omani Rial and Old Turkmenistan Manat convertor is up to date with exchange rates from October 20, 2025.

Enter the amount to be converted in the box to the left of Omani Rial. Use "Swap currencies" to make Old Turkmenistan Manat the default currency. Click on Old Turkmenistan Manats or Omani Rials to convert between that currency and all other currencies.

Omani Rial (OMR)	Old Turkmenistan Manat (TMM)

Other countries and currencies

The Omani Rial is the currency in Oman (OM, OMN). The Old Turkmenistan Manat is the currency in Turkmenistan (TM, TKM). The Omani Rial is also known as the Omani Riyal. The symbol for OMR can be written RO. The Omani Rial is divided into 1000 baizas. The Old Turkmenistan Manat is divided into 100 tenga. The exchange rate for the Omani Rial was last updated on October 20, 2025 from The International Monetary Fund. The exchange rate for the Old Turkmenistan Manat was last updated on June 5, 2023 from MSN. The OMR conversion factor has 6 significant digits. The TMM conversion factor has 4 significant digits.