Convert 100,000 Icelandic Króna (ISK) to Old São Tomé Dobra (STD)

Convert Icelandic krónur to old São Tomé dobras at the live mid-market rate. Reverse: STD to ISK

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 ISK to STN.

Amount

From

100,000 Icelandic krónur =

17,889,426.13 STD −0.67% today

1 ISK = 178.894 STD · 1 STD = 0.00558989 ISK

Mid-market rate, updated 07:16 UTC. Paid plans update as often as every 60 seconds. Get ISK→STD rates via API

ISK to STD over the last year

52-week high: 180.67
52-week low: 164.57
52-week average: 171.61
Change over the year: +3.26%

Conversion tables

ISK to STD
ISK	STD
1 ISK	178.89 STD
10 ISK	1,788.94 STD
100 ISK	17,889.43 STD
1,000 ISK	178,894.26 STD
10,000 ISK	1,788,942.61 STD
50,000 ISK	8,944,713.07 STD
100,000 ISK	17,889,426.13 STD

STD to ISK
STD	ISK
1 STD	0.00559 ISK
10 STD	0.0559 ISK
100 STD	0.559 ISK
1,000 STD	6 ISK
10,000 STD	56 ISK
50,000 STD	279 ISK
100,000 STD	559 ISK

Get ISK→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=ISK -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=ISK -d currencies=STD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about ISK to STD

How much is 100,000 ISK in STD?

100,000 Icelandic krónur is 17,889,426.13 old São Tomé dobras at the mid-market rate of 4 October 2026, 07:16 UTC, when 1 ISK = 178.894 STD.

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

Over the last 52 weeks 1 ISK ranged from 164.57 to 180.672 STD, 171.61 STD on average.

Which exchange rate is this?

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