Convert 1 Old São Tomé Dobra (STD) to Icelandic Króna (ISK)

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

Amount

From

1 Old São Tomé Dobra =

0.00559 ISK +0.67% today

1 STD = 0.00558989 ISK · 1 ISK = 178.894 STD

Mid-market rate, updated 09:23 UTC. Paid plans update as often as every 60 seconds. Get STD→ISK rates via API

STD to ISK over the last year

52-week high: 0.0060764
52-week low: 0.0055349
52-week average: 0.0058289
Change over the year: −3.16%

Conversion tables

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

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	178,894.27 STD
10,000 ISK	1,788,942.67 STD
50,000 ISK	8,944,713.37 STD
100,000 ISK	17,889,426.74 STD

Get STD→ISK rates via API

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

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Questions about STD to ISK

How much is 1 STD in ISK?

1 Old São Tomé Dobra is 0.00559 Icelandic krónur at the mid-market rate of 4 October 2026, 09:23 UTC, when 1 STD = 0.00558989 ISK.

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

Over the last 52 weeks 1 STD ranged from 0.0055349 to 0.00607644 ISK, 0.00582893 ISK on average.

Which exchange rate is this?

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