The New Zaire (ZRN) is obsolete. It was replaced with the Congolese franc (CDF) in 1967.
One thousand ZRN are equivalent to one CDF.

Franc Congolais (CDF) and Sao Tome Dobra (STD) Currency Exchange Rate Conversion Calculator

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This Sao Tome Dobra and New Zaire convertor is up to date with exchange rates from September 19, 2026.

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

Sao Tome and Principe
Congo
Other countries and currencies

The Sao Tome Dobra is the currency in Sao Tome and Principe (ST, STP). The New Zaire is the currency in Congo (CD, COD). The symbol for STD can be written Db. The Sao Tome Dobra is divided into 100 centimos. The exchange rate for the Sao Tome Dobra was last updated on May 3, 2023 from Yahoo Finance. The exchange rate for the New Zaire was last updated on September 18, 2026 from MSN. The STD conversion factor has 5 significant digits. The ZRN conversion factor has 3 significant digits.


STD ZRN
coinmill.com
20,000.0 2,184,560
50,000.0 5,461,390
100,000.0 10,922,780
200,000.0 21,845,570
500,000.0 54,613,920
1,000,000.0 109,227,850
2,000,000.0 218,455,700
5,000,000.0 546,139,240
10,000,000.0 1,092,278,480
20,000,000.0 2,184,556,960
50,000,000.0 5,461,392,410
100,000,000.0 10,922,784,810
200,000,000.0 21,845,569,620
500,000,000.0 54,613,924,050
1,000,000,000.0 109,227,848,100
2,000,000,000.0 218,455,696,200
5,000,000,000.0 546,139,240,510
STD rate
May 3, 2023
ZRN STD
coinmill.com
2,000,000 18,310.5
5,000,000 45,776.0
10,000,000 91,551.5
20,000,000 183,103.5
50,000,000 457,758.5
100,000,000 915,517.5
200,000,000 1,831,035.0
500,000,000 4,577,587.0
1,000,000,000 9,155,174.5
2,000,000,000 18,310,349.0
5,000,000,000 45,775,872.0
10,000,000,000 91,551,744.0
20,000,000,000 183,103,488.0
50,000,000,000 457,758,720.5
100,000,000,000 915,517,441.0
200,000,000,000 1,831,034,882.5
500,000,000,000 4,577,587,206.0
ZRN rate
September 18, 2026

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