1. Central bank exchange rates
  2. Czech National Bank
  3. BGN

Czech National Bank Bulgarian Lev rate

1 BGN = 12.396 CZK −0.02%

Published Wednesday, 31 December 2025 as the central bank exchange rate fixing.

1 CZK = 0.0806712 BGN

BGN to CZK over the last year

12.4012.6012.80Mar ’25May ’25Jul ’25Sep ’25Nov ’25
52-week high
12.933
52-week low
12.323
52-week average
12.624
Change over the year
−3.70%

Yearly averages

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

YearAverageHighLowPublications
2025 12.624 12.933 12.323 251
2024 12.842 13.018 12.517 252
2023 12.274 12.642 11.900 250
2022 12.560 13.226 12.330 252
2021 13.112 13.507 12.711 252
2020 13.521 14.216 12.678 251
2019 13.125 13.252 12.992 251
2018 13.111 13.333 12.880 250
2017 13.461 13.837 12.992 250
2016 13.822 13.882 13.810 252
2015 13.950 14.526 13.811 251
2014 14.077 14.317 13.956 252
2013 13.280 14.172 12.898 252
2012 12.856 13.277 12.493 252
2011 12.570 13.307 12.276 253
2010 12.930 13.484 12.476 253
2009 13.519 15.067 12.824 251
2008 12.752 13.770 11.743 253
2007 14.194 14.711 13.293 251
2006 14.491 14.848 14.019 251
2005 15.228 15.622 14.758 253
2004 16.336 17.062 15.541 254

This rate via API

The Czech National Bank BGN rate for any day since 2 January 2004, 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=cnb -d base_currency=BGN \
  -d currencies=CZK -d date=2025-12-31 \
  -H "apikey: YOUR-API-KEY"

# every publication of 2025
curl https://api.currencyapi.com/v3/official/range \
  -G -d source=cnb -d currencies=BGN \
  -d date_from=2025-01-01 -d date_to=2025-12-31 \
  -H "apikey: YOUR-API-KEY"

Questions about this rate

What is the Czech National Bank BGN rate today?

On 31 December 2025 the Czech National Bank published 1 BGN = 12.396 CZK (1 CZK = 0.0806712 BGN).

What was the average BGN rate in 2025?

The average of the 251 publications in 2025 is 1 BGN = 12.6245 CZK, 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.