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Old São Tomé Dobra (STD) to Ethereum (ETH)

Convert old São Tomé dobras to Ethereum at the live mid-market rate. Reverse: ETH 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 ETH.

1 Old São Tomé Dobra =

0.00000002 ETH +0.59% today

1 STD = 0.00000002 ETH · 1 ETH = 58,929,247.36 STD

Mid-market rate, updated 03:37 UTC. Paid plans update as often as every 60 seconds. Get STD→ETH rates via API

STD to ETH over the last year

0.000000010.000000020.00000003Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00000003
52-week low
0.00000001
52-week average
0.00000002
Change over the year
+60.38%

Conversion tables

STD to ETH
STD ETH
1 STD 0.00000002 ETH
10 STD 0.00000017 ETH
100 STD 0.0000017 ETH
1,000 STD 0.000017 ETH
10,000 STD 0.00017 ETH
50,000 STD 0.00085 ETH
100,000 STD 0.0017 ETH
ETH to STD
ETH STD
1 ETH 58,929,247.36 STD
10 ETH 589,292,473.56 STD
100 ETH 5,892,924,735.65 STD
1,000 ETH 58,929,247,356.49 STD
10,000 ETH 589,292,473,564.92 STD
50,000 ETH 2,946,462,367,824.61 STD
100,000 ETH 5,892,924,735,649.22 STD

Get STD→ETH rates via API

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

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Questions about STD to ETH

How much is 1 STD in ETH?

1 Old São Tomé Dobra is 0.00000002 Ethereum at the mid-market rate of 4 October 2026, 03:37 UTC, and 1 ETH is 58,929,247.36 STD.

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

Over the last 52 weeks 1 STD ranged from 0.00000001 to 0.00000003 ETH, 0.00000002 ETH on average.

Which exchange rate is this?

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