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Convert 10,000 Old São Tomé Dobra (STD) to Singapore Dollar (SGD)

Convert old São Tomé dobras to Singapore dollars at the live mid-market rate. Reverse: SGD 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 SGD.

10,000 old São Tomé dobras =

0.5817 SGD −0.16% today

1 STD = 0.00005817 SGD · 1 SGD = 17,190.17 STD

Mid-market rate, updated 17:13 UTC. Paid plans update as often as every 60 seconds. Get STD→SGD rates via API

STD to SGD over the last year

0.0000580.000060.000062Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00006217
52-week low
0.00005808
52-week average
0.00006035
Change over the year
−5.44%

Conversion tables

STD to SGD
STD SGD
1 STD 0.00005817 SGD
10 STD 0.0005817 SGD
100 STD 0.005817 SGD
1,000 STD 0.05817 SGD
10,000 STD 0.5817 SGD
50,000 STD 2.91 SGD
100,000 STD 5.82 SGD
SGD to STD
SGD STD
1 SGD 17,190.17 STD
10 SGD 171,901.67 STD
100 SGD 1,719,016.68 STD
1,000 SGD 17,190,166.77 STD
10,000 SGD 171,901,667.67 STD
50,000 SGD 859,508,338.35 STD
100,000 SGD 1,719,016,676.70 STD

Get STD→SGD rates via API

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

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Questions about STD to SGD

How much is 10,000 STD in SGD?

10,000 old São Tomé dobras is 0.5817 Singapore dollars at the mid-market rate of 4 October 2026, 17:13 UTC, when 1 STD = 0.00005817 SGD.

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

Over the last 52 weeks 1 STD ranged from 0.00005808 to 0.00006217 SGD, 0.00006035 SGD on average.

Which exchange rate is this?

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