1. Central bank exchange rates
  2. Danmarks Nationalbank
  3. ISK

Danmarks Nationalbank Icelandic Króna rate

1 ISK = 0.054560 DKK −0.31%

Published Monday, 28 September 2026 as the daily exchange rates (Nationalbanken reference rates).

1 DKK = 18.3284 ISK

ISK to DKK over the last year

0.050.0520.054Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.054730
52-week low
0.050120
52-week average
0.051919
Change over the year
+3.79%

Yearly averages

The mean of each year’s publications, 1 ISK in DKK. Open a year for every daily rate and the monthly averages.

YearAverageHighLowPublications
2026 0.052111 0.054730 0.050670 184
2025 0.051610 0.052820 0.050120 248
2024 0.049957 0.051840 0.048600 249
2023 0.049998 0.052520 0.047350 249
2022 0.052316 0.054580 0.048510 252
2021 0.049543 0.050980 0.047320 251
2020 0.048397 0.054990 0.044880 249
2019 0.054401 0.056240 0.052600 247
2018 0.058375 0.061400 0.052440 225
2008 0.057833 0.082380 0.024400 238
2007 0.085101 0.091100 0.078790 249
2006 0.085540 0.101150 0.076510 252
2005 0.095498 0.104450 0.088300 253
2004 0.085373 0.090400 0.083300 254
2003 0.085815 0.090100 0.082300 249
2002 0.086236 0.089800 0.080700 250
2001 0.085619 0.094900 0.076300 250
2000 0.102728 0.109400 0.094700 251
1999 0.096418 0.102400 0.091300 253
1998 0.094142 0.097800 0.089200 251
1997 0.093109 0.098000 0.088600 250
1996 0.086923 0.088900 0.084900 251
1995 0.086525 0.089600 0.084300 252
1994 0.090794 0.093200 0.087900 253
1993 0.095860 0.098800 0.091700 253
1992 0.104722 0.108500 0.096600 251
1991 0.108688 0.112000 0.104500 250
1990 0.106540 0.109500 0.104500 250
1989 0.129245 0.149500 0.108500 251
1988 0.157589 0.175000 0.146500 253
1987 0.177472 0.185000 0.172000 251
1986 0.197243 0.214500 0.183500 249
1985 0.255724 0.290500 0.214000 250
1984 0.329910 0.349000 0.276000 250
1983 0.373950 0.505000 0.330000 249
1982 0.692866 0.900000 0.506000 238
1981 0.994956 1.075000 0.874000 251

This rate via API

The Danmarks Nationalbank ISK rate for any day since 2 January 1981, or every publication in a range of up to a year, as JSON or CSV.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/official \
  -G -d source=nationalbanken -d base_currency=ISK \
  -d currencies=DKK -d date=2026-09-28 \
  -H "apikey: YOUR-API-KEY"

# every publication of 2026
curl https://api.currencyapi.com/v3/official/range \
  -G -d source=nationalbanken -d currencies=ISK \
  -d date_from=2026-01-01 -d date_to=2026-12-31 \
  -H "apikey: YOUR-API-KEY"

Icelandic Króna at other central banks

Questions about this rate

What is the Danmarks Nationalbank ISK rate today?

On 28 September 2026 the Danmarks Nationalbank published 1 ISK = 0.05456 DKK (1 DKK = 18.3284 ISK).

What was the average ISK rate in 2026?

The average of the 184 publications in 2026 is 1 ISK = 0.0521113 DKK, the simple mean of the daily rates.

Is this the rate I must use for tax or accounting?

That depends on your jurisdiction. Many rules name a specific bank and day, for example the rate published on the business day before the transaction. Use the date lookup in the API to get exactly the publication your rule asks for.