The New Zaire (ZRN) is obsolete.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 October 21, 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 October 21, 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 2,170,820
50,000.0 5,427,040
100,000.0 10,854,090
200,000.0 21,708,180
500,000.0 54,270,440
1,000,000.0 108,540,880
2,000,000.0 217,081,760
5,000,000.0 542,704,400
10,000,000.0 1,085,408,810
20,000,000.0 2,170,817,610
50,000,000.0 5,427,044,030
100,000,000.0 10,854,088,050
200,000,000.0 21,708,176,100
500,000,000.0 54,270,440,250
1,000,000,000.0 108,540,880,500
2,000,000,000.0 217,081,761,010
5,000,000,000.0 542,704,402,520
STD rate
May 3, 2023
ZRN STD
coinmill.com
2,000,000 18,426.0
5,000,000 46,065.5
10,000,000 92,131.0
20,000,000 184,262.5
50,000,000 460,656.0
100,000,000 921,312.0
200,000,000 1,842,623.5
500,000,000 4,606,559.5
1,000,000,000 9,213,118.5
2,000,000,000 18,426,237.0
5,000,000,000 46,065,593.0
10,000,000,000 92,131,185.5
20,000,000,000 184,262,371.0
50,000,000,000 460,655,927.5
100,000,000,000 921,311,855.5
200,000,000,000 1,842,623,710.5
500,000,000,000 4,606,559,277.0
ZRN rate
October 21, 2026

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