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Czech korunas to Polish zlotys exchange rate API

1 CZK = 0.1808 PLN · Live mid-market rate

Convert CZK to PLN at the mid-market exchange rate. Access real-time rates via our /api/rate endpoint (free API key required) or the developer docs.

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Mid-market rate
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Exchange Rate Trend

CZK → PLN
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CZK to PLN Conversion Table

Convert CZK to PLN

CZK PLN
Kč1 zł0.18
Kč5 zł0.90
Kč10 zł1.81
Kč25 zł4.52
Kč50 zł9.04
Kč100 zł18.08
Kč500 zł90.39
Kč1,000 zł180.77
Kč5,000 zł903.85
Kč10,000 zł1,807.71

Convert PLN to CZK

PLN CZK
zł1 Kč5.5319
zł5 Kč27.6593
zł10 Kč55.3186
zł25 Kč138.2965
zł50 Kč276.593
zł100 Kč553.1861
zł500 Kč2,765.9304
zł1,000 Kč5,531.8608
zł5,000 Kč27,659.3038
zł10,000 Kč55,318.6075

About the Czech Koruna (CZK)

The Czech Koruna (CZK) is the official currency used in international trade and commerce.

Key Factors That Influence CZK

  • Central bank monetary policy
  • Economic indicators
  • Trade balance
  • Political stability
  • Global market conditions

About the Polish Zloty (PLN)

The Polish Zloty (PLN) is managed by Narodowy Bank Polski. As one of the EU's largest economies outside the Eurozone, Poland's currency reflects its growing economic importance.

Key Factors That Influence PLN

  • NBP monetary policy
  • EU fund inflows
  • Export performance
  • Inflation targeting
  • Political and EU relations

Understanding the CZK/PLN Exchange Rate

The CZK/PLN exchange rate tells you how many Polish zlotys you get for 1 Czech Koruna. This is the mid-market rate — the real exchange rate without any markup. It's the same rate used by Google Finance.

AllRatesToday provides this rate via a free REST API, updated every 60 seconds from institutional foreign exchange market data. Integrate live CZK/PLN rates into your app with our official SDKs for JavaScript, Python, PHP, and React.

The exchange rate between CZK and PLN fluctuates based on supply and demand in the foreign exchange market. Economic data releases, central bank announcements, and geopolitical events can all cause significant movements in the rate.

Currency converter API for CZK to PLN

The rate above comes from the AllRatesToday API. Each call below is one HTTP request that returns JSON for CZK/PLN.

The live rate needs a free API key, no card required. The ECB example below needs no key at all.

Get a free API key Already registered? Copy your key from the dashboard.

Live mid-market rate

The number shown on this page, refreshed every 60 seconds across 163 currencies. Use it for pricing, checkout and anything a customer sees.

curl "https://allratestoday.com/api/v1/rates?source=CZK&target=PLN" \
  -H "Authorization: Bearer art_live_your_key"

Response (live, when this page was generated):

[
  {
    "rate": 0.180771,
    "source": "CZK",
    "target": "PLN",
    "time": "2026-10-27T15:21:01+0000"
  }
]

Several targets in one call return one row per pair:

curl "https://allratestoday.com/api/v1/rates?source=CZK&target=PLN,EUR,GBP" \
  -H "Authorization: Bearer art_live_your_key"

No key: ECB reference rate

CZK and PLN are both in the European Central Bank's daily table, so you can start without registering. Keyless, browser-safe (CORS), free for commercial use with a link back. It updates once a day, not every minute. 

curl "https://allratestoday.com/api/compat/frankfurter/latest?from=CZK&to=PLN"

Response (today's table):

{
  "amount": 1,
  "base": "CZK",
  "date": "2026-10-27",
  "rates": { "PLN": 0.18079514 },
  "source": "European Central Bank reference rates, served by AllRatesToday",
  "attribution": "https://allratestoday.com/migrate/",
  "free_key": "…"
}

Keyless API docs · Migrating from Frankfurter or exchangerate.host

Official central bank rate

The rate a named institution published for a date, from 123 central banks and 4 tax authorities. It never changes after publication, which is what tax filings, customs and audits require. 

curl "https://allratestoday.com/api/v1/central-bank/nbp/latest?source=CZK&target=PLN" \
  -H "Authorization: Bearer art_live_your_key"

Narodowy Bank Polski: live example responses · All 127 sources · Endpoint reference

Official SDKs

npm install @allratestoday/sdk · pip install allratestoday · composer require allratestoday/sdk

For AI agents

An MCP server — @allratestoday/mcp-server — lets Claude, Cursor and other MCP clients pull these rates directly, no glue code.

Free tier

No credit card, no trial expiry. Paid plans start at €4.99/month for 5,000 requests a month.

Which one do you need? If a regulator, tax authority or auditor names the source, use the official rate — the two can differ by several percent on the same day. For everything a customer sees, use the mid-market rate. On weekends and holidays the official endpoints return the most recent published date, which is the figure compliance rules expect you to apply.

Official CZK and PLN Central Bank Rates

The rate on this page is the live mid-market rate. For tax filings, customs valuations, audits, and compliant invoicing you often need the official reference rate published by the central bank instead. AllRatesToday also serves published central-bank rates as JSON, with history and a free latest-rates tier.

Czech National Bank official rates → Narodowy Bank Polski official rates → All central banks →

How CZK/PLN Exchange Rates Work

Exchange rates are determined by supply and demand in the global foreign exchange (forex) market, the largest financial market in the world with over $6 trillion traded daily.

Floating vs Fixed Rates: Most major currencies like CZK and PLN have floating exchange rates, meaning their value is determined by market forces. Some currencies are pegged to another currency (usually USD) at a fixed rate.

Bid and Ask Prices: In forex markets, currencies are quoted with a bid price (what buyers pay) and ask price (what sellers receive). The mid-market rate shown on this page is the midpoint between these two prices.

Rate Fluctuations: The CZK/PLN rate can change every second during trading hours. Major economic announcements, interest rate decisions, and geopolitical events can cause significant moves in either direction.

Frequently Asked Questions About CZK/PLN

How do I convert CZK to PLN?

To convert CZK to PLN: (1) Use the calculator above to see the live mid-market rate. (2) For programmatic access, call our API: GET /api/v1/rates?source=CZK&target=PLN. Current rate: 1 CZK = 0.1808 PLN. Get your free API key at allratestoday.com/register.

What is 1 CZK in PLN today?

1 CZK equals 0.1808 PLN as of today. This is the mid-market exchange rate, which is the real rate without any bank markup. Rates fluctuate constantly based on market conditions, so check back regularly for updates.

Is the CZK going up or down against PLN today?

The CZK/PLN exchange rate fluctuates throughout the day based on market conditions. Today's rate is 1 CZK = 0.1808 PLN. Check our historical chart above to see the trend over the past day, week, month, or year to understand whether CZK is strengthening or weakening against PLN.

What is the best time to buy PLN with CZK?

The best time to exchange CZK to PLN depends on market conditions. Generally, rates tend to be more favorable during overlapping trading hours between major financial centers (London, New York, Tokyo). Avoid exchanging during weekends or bank holidays when spreads may be wider. Use our historical chart to identify trends and consider setting up rate alerts.

Why is CZK falling or rising against PLN?

Exchange rates between CZK and PLN are influenced by: interest rate differentials between central banks, inflation rates, GDP and economic growth data, trade balances, political stability, and global market sentiment. Major announcements from the Federal Reserve, ECB, or other central banks can cause significant short-term movements in the CZK/PLN rate.

How can I get CZK/PLN rates in my app?

Use the AllRatesToday API: (1) Register for a free API key at allratestoday.com/register. (2) Call GET /api/v1/rates?source=CZK&target=PLN with your Bearer token. (3) Rates update every 60 seconds from institutional foreign exchange market data. (4) Install our official SDK for JavaScript (npm), Python (PyPI), or PHP (Packagist) for even faster integration.

What is the mid-market rate for CZK/PLN?

The mid-market rate (also called the interbank rate) is the midpoint between buy and sell prices in global currency markets. The current mid-market rate is 1 CZK = 0.1808 PLN. This is the "real" exchange rate without any bank markup. AllRatesToday provides this rate via a free API, sourced from institutional foreign exchange market data.

Other CZK conversions

Building CZK/PLN into software?

These rates come from the AllRatesToday API. If you need them in an application rather than on a page, these are the places to start:

Packages and open data