1. Central bank exchange rates
  2. National Bank of Poland
  3. CZK

National Bank of Poland Czech Republic Koruna rate

1 CZK = 0.17910 PLN −0.17%

Published Tuesday, 29 September 2026 as the average exchange rates (table A).

1 PLN = 5.58347 CZK

CZK to PLN over the last year

0.17250.1750.17750.18Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.17990
52-week low
0.17240
52-week average
0.17557
Change over the year
+2.11%

Yearly averages

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

YearAverageHighLowPublications
2026 0.17588 0.17990 0.17310 189
2025 0.17176 0.17590 0.16560 251
2024 0.17146 0.17790 0.16750 252
2023 0.18936 0.20170 0.17570 251
2022 0.19082 0.19860 0.18420 252
2021 0.17807 0.18530 0.17180 254
2020 0.16800 0.17530 0.16370 255
2019 0.16746 0.17010 0.16560 251
2018 0.16617 0.16900 0.16280 252
2017 0.16173 0.16670 0.15590 251
2016 0.16140 0.16650 0.15670 252
2015 0.15341 0.16130 0.14510 254
2014 0.15198 0.15570 0.14930 252
2013 0.16174 0.16820 0.15060 251
2012 0.16649 0.17510 0.16050 252
2011 0.16753 0.18100 0.15700 252
2010 0.15802 0.16380 0.15050 255
2009 0.16366 0.17440 0.15010 255
2008 0.14071 0.15760 0.13370 254
2007 0.13633 0.14080 0.13060 252
2006 0.13746 0.14410 0.13080 252
2005 0.13505 0.14030 0.13070 252
2004 0.14193 0.15100 0.13250 256
2003 0.13811 0.14700 0.12610 253
2002 0.12530 0.14370 0.10860 251

This rate via API

The National Bank of Poland CZK rate for any day since 2 January 2002, 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=nbp -d base_currency=CZK \
  -d currencies=PLN -d date=2026-09-29 \
  -H "apikey: YOUR-API-KEY"

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

Czech Republic Koruna at other central banks

Questions about this rate

What is the National Bank of Poland CZK rate today?

On 29 September 2026 the National Bank of Poland published 1 CZK = 0.1791 PLN (1 PLN = 5.58347 CZK).

What was the average CZK rate in 2026?

The average of the 189 publications in 2026 is 1 CZK = 0.17588 PLN, 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.