Convert 100,000 Singapore Dollar (SGD) to Old São Tomé Dobra (STD)

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

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 SGD to STN.

Amount

From

100,000 Singapore dollars =

1,704,766,840.25 STD −0.67% today

1 SGD = 17,047.67 STD · 1 STD = 0.00005866 SGD

Mid-market rate, updated 08:53 UTC. Paid plans update as often as every 60 seconds. Get SGD→STD rates via API

SGD to STD over the last year

52-week high: 17,217.05
52-week low: 16,083.97
52-week average: 16,571.23
Change over the year: +4.88%

Conversion tables

SGD to STD
SGD	STD
1 SGD	17,047.67 STD
10 SGD	170,476.68 STD
100 SGD	1,704,766.84 STD
1,000 SGD	17,047,668.40 STD
10,000 SGD	170,476,684.03 STD
50,000 SGD	852,383,420.13 STD
100,000 SGD	1,704,766,840.25 STD

STD to SGD
STD	SGD
1 STD	0.00005866 SGD
10 STD	0.0005866 SGD
100 STD	0.005866 SGD
1,000 STD	0.05866 SGD
10,000 STD	0.5866 SGD
50,000 STD	2.93 SGD
100,000 STD	5.87 SGD

Get SGD→STD rates via API

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

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=SGD -d currencies=STD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about SGD to STD

How much is 100,000 SGD in STD?

100,000 Singapore dollars is 1,704,766,840.25 old São Tomé dobras at the mid-market rate of 4 October 2026, 08:53 UTC, when 1 SGD = 17,047.67 STD.

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

Over the last 52 weeks 1 SGD ranged from 16,083.97 to 17,217.05 STD, 16,571.23 STD on average.

Which exchange rate is this?

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