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  2. STD to DOT

Old São Tomé Dobra (STD) to Polkadot (DOT)

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

1 Old São Tomé Dobra =

0.00003858 DOT +0.53% today

1 STD = 0.00003858 DOT · 1 DOT = 25,919.11 STD

Mid-market rate, updated 08:27 UTC. Paid plans update as often as every 60 seconds. Get STD→DOT rates via API

STD to DOT over the last year

0.000020.000040.00006Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00006215
52-week low
0.00001081
52-week average
0.00003611
Change over the year
+239.44%

Conversion tables

STD to DOT
STD DOT
1 STD 0.00003858 DOT
10 STD 0.0003858 DOT
100 STD 0.003858 DOT
1,000 STD 0.03858 DOT
10,000 STD 0.3858 DOT
50,000 STD 1.9290800000 DOT
100,000 STD 3.8581600000 DOT
DOT to STD
DOT STD
1 DOT 25,919.11 STD
10 DOT 259,191.06 STD
100 DOT 2,591,910.60 STD
1,000 DOT 25,919,105.97 STD
10,000 DOT 259,191,059.67 STD
50,000 DOT 1,295,955,298.36 STD
100,000 DOT 2,591,910,596.71 STD

Get STD→DOT rates via API

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

Related conversions

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Questions about STD to DOT

How much is 1 STD in DOT?

1 Old São Tomé Dobra is 0.00003858 Polkadot at the mid-market rate of 4 October 2026, 08:27 UTC, and 1 DOT is 25,919.11 STD.

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

Over the last 52 weeks 1 STD ranged from 0.00001081 to 0.00006215 DOT, 0.00003611 DOT on average.

Which exchange rate is this?

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