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Old São Tomé Dobra (STD) to USD Coin (USDC)

Convert old São Tomé dobras to USD Coins at the live mid-market rate. Reverse: USDC 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 USDC.

1 Old São Tomé Dobra =

0.00004582 USDC +0.62% today

1 STD = 0.00004582 USDC · 1 USDC = 21,825.74 STD

Mid-market rate, updated 14:01 UTC. Paid plans update as often as every 60 seconds. Get STD→USDC rates via API

STD to USDC over the last year

0.0000460.000048Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00004899
52-week low
0.00004541
52-week average
0.00004701
Change over the year
−4.15%

Conversion tables

STD to USDC
STD USDC
1 STD 0.00004582 USDC
10 STD 0.0004582 USDC
100 STD 0.004582 USDC
1,000 STD 0.04582 USDC
10,000 STD 0.4582 USDC
50,000 STD 2.29 USDC
100,000 STD 4.58 USDC
USDC to STD
USDC STD
1 USDC 21,825.74 STD
10 USDC 218,257.44 STD
100 USDC 2,182,574.42 STD
1,000 USDC 21,825,744.21 STD
10,000 USDC 218,257,442.08 STD
50,000 USDC 1,091,287,210.40 STD
100,000 USDC 2,182,574,420.81 STD

Get STD→USDC rates via API

The live rate, the rate on any past day or a whole range, for USDC 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=USDC \
  -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=USDC \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about STD to USDC

How much is 1 STD in USDC?

1 Old São Tomé Dobra is 0.00004582 USD Coins at the mid-market rate of 4 October 2026, 14:01 UTC, and 1 USDC is 21,825.74 STD.

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

Over the last 52 weeks 1 STD ranged from 0.00004541 to 0.00004899 USDC, 0.00004701 USDC on average.

Which exchange rate is this?

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