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Old São Tomé Dobra (STD) to US Dollar (USD)

Convert old São Tomé dobras to US dollars at the live mid-market rate. Reverse: USD to STD

The Old São Tomé Dobra is no longer in use

Old São Tomé Dobra (STD) was replaced by the São Tomé and Príncipe Dobra (STN) in 2018. For today’s money, convert STN to USD.

1 Old São Tomé Dobra =

0.00004573 USD −0.53% today

1 STD = 0.00004573 USD · 1 USD = 21,865.71 STD

Mid-market rate, updated 22:07 UTC. Paid plans update as often as every 60 seconds. Get STD→USD rates via API

STD to USD over the last year

0.0000460.0000470.000048Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00004844
52-week low
0.00004573
52-week average
0.00004705
Change over the year
−3.92%

Conversion tables

STD to USD
STD USD
1 STD 0.00004573 USD
10 STD 0.0004573 USD
100 STD 0.004573 USD
1,000 STD 0.04573 USD
10,000 STD 0.4573 USD
50,000 STD 2.29 USD
100,000 STD 4.57 USD
USD to STD
USD STD
1 USD 21,865.71 STD
10 USD 218,657.13 STD
100 USD 2,186,571.35 STD
1,000 USD 21,865,713.47 STD
10,000 USD 218,657,134.68 STD
50,000 USD 1,093,285,673.39 STD
100,000 USD 2,186,571,346.78 STD

Get STD→USD rates via API

The live rate, the rate on any past day or a whole range, for USD and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=STD -d currencies=USD \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=STD -d currencies=USD \
  -d date=2025-10-01 \
  -H "apikey: YOUR-API-KEY"

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Questions about STD to USD

How much is 1 STD in USD?

1 Old São Tomé Dobra is 0.00004573 US dollars at the mid-market rate of 1 October 2026, 22:07 UTC, and 1 USD is 21,865.71 STD.

What was the STD to USD rate over the last year?

Over the last 52 weeks 1 STD ranged from 0.00004573 to 0.00004844 USD, 0.00004705 USD on average.

Which exchange rate is this?

The mid-market rate: the midpoint between what currency markets pay and ask for STD/USD, without the margin a bank or card issuer adds, so the rate you are charged is usually a little worse.