Omani Rial (OMR) and Sao Tome Dobra (STD) Currency Exchange Rate Conversion Calculator

This Omani Rial and Sao Tome Dobra convertor is up to date with exchange rates from June 30, 2025.

Enter the amount to be converted in the box to the left of Omani Rial. Use "Swap currencies" to make Sao Tome Dobra the default currency. Click on Sao Tome Dobras or Omani Rials to convert between that currency and all other currencies.

Omani Rial (OMR)	Sao Tome Dobra (STD)

Other countries and currencies

The Omani Rial is the currency in Oman (OM, OMN). The Sao Tome Dobra is the currency in Sao Tome and Principe (ST, STP). The Omani Rial is also known as the Omani Riyal. The symbol for OMR can be written RO. The symbol for STD can be written Db. The Omani Rial is divided into 1000 baizas. The Sao Tome Dobra is divided into 100 centimos. The exchange rate for the Omani Rial was last updated on June 30, 2025 from The International Monetary Fund. The exchange rate for the Sao Tome Dobra was last updated on May 3, 2023 from Yahoo Finance. The OMR conversion factor has 6 significant digits. The STD conversion factor has 5 significant digits.