Convert Sao Tome Dobras (STD) and Yemeni Rials (YER): Currency Exchange Rate Conversion Calculator

This Sao Tome Dobra and Yemeni Rial convertor is up to date with exchange rates from August 12, 2026.

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

The Sao Tome Dobra is the currency in Sao Tome and Principe (ST, STP). The Yemeni Rial is the currency in Yemen (YE, YEM). The symbol for STD can be written Db. The symbol for YER can be written YRls. The Sao Tome Dobra is divided into 100 centimos. The Yemeni Rial is divided into 100 fils. The exchange rate for the Sao Tome Dobra was last updated on May 3, 2023 from Yahoo Finance. The exchange rate for the Yemeni Rial was last updated on August 11, 2026 from MSN. The STD conversion factor has 5 significant digits. The YER conversion factor has 5 significant digits.

STD	YER
coinmill.com
20,000.0	0.005
50,000.0	0.010
100,000.0	0.020
200,000.0	0.040
500,000.0	0.100
1,000,000.0	0.200
2,000,000.0	0.395
5,000,000.0	0.995
10,000,000.0	1.985
20,000,000.0	3.970
50,000,000.0	9.930
100,000,000.0	19.860
200,000,000.0	39.720
500,000,000.0	99.305
1,000,000,000.0	198.610
2,000,000,000.0	397.215
5,000,000,000.0	993.040

STD rate
May 3, 2023

YER	STD
coinmill.com
0.005	25,175.5
0.010	50,350.5
0.020	100,701.0
0.050	251,753.0
0.100	503,505.5
0.200	1,007,011.0
0.500	2,517,528.0
1.000	5,035,056.0
2.000	10,070,112.5
5.000	25,175,281.0
10.000	50,350,562.0
20.000	100,701,124.0
50.000	251,752,810.5
100.000	503,505,620.5
200.000	1,007,011,241.0
500.000	2,517,528,103.0
1000.000	5,035,056,206.0

YER rate
August 11, 2026

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Sao Tome Dobra (STD) and Yemeni Rial (YER) Currency Exchange Rate Conversion Calculator

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