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

National Bank of Poland Thai Baht rate

1 THB = 0.11470 PLN +0.17%

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

1 PLN = 8.7184 THB

THB to PLN over the last year

0.1120.1140.116Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.11690
52-week low
0.11100
52-week average
0.11320
Change over the year
+2.23%

Yearly averages

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

YearAverageHighLowPublications
2026 0.11323 0.11690 0.11100 189
2025 0.11426 0.12150 0.11070 251
2024 0.11292 0.12070 0.10680 252
2023 0.12084 0.13260 0.11220 251
2022 0.12719 0.13870 0.11890 252
2021 0.12078 0.12730 0.11540 254
2020 0.12451 0.13180 0.11770 255
2019 0.12375 0.13110 0.11660 251
2018 0.11168 0.11620 0.10590 252
2017 0.11125 0.11780 0.10650 251
2016 0.11176 0.11840 0.10570 252
2015 0.11020 0.11920 0.10300 254
2014 0.09711 0.10780 0.09200 252
2013 0.10303 0.11190 0.09160 251
2012 0.10486 0.11240 0.10030 252
2011 0.09721 0.11210 0.08810 252
2010 0.09528 0.10680 0.08460 255
2009 0.09072 0.11020 0.08180 255
2008 0.07202 0.09000 0.06040 254

This rate via API

The National Bank of Poland THB rate for any day since 2 January 2008, or every publication in a range of up to a year, as JSON or CSV.

curl https://api.currencyapi.com/v3/official \
  -G -d source=nbp -d base_currency=THB \
  -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=THB \
  -d date_from=2026-01-01 -d date_to=2026-12-31 \
  -H "apikey: YOUR-API-KEY"

Thai Baht at other central banks

Questions about this rate

What is the National Bank of Poland THB rate today?

On 29 September 2026 the National Bank of Poland published 1 THB = 0.1147 PLN (1 PLN = 8.7184 THB).

What was the average THB rate in 2026?

The average of the 189 publications in 2026 is 1 THB = 0.113233 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.