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CNB exchange rates
Daily and yearly rates published by the Czech National Bank. Any pair, any date since 1999.
Last sync: 21.10.2026
Daily rate 21.10.2026 · click a row for history
Selected pair: 1 USD = 20.666CZK 18.03.2018
CNB does not publish on weekends. Showing the last business-day fixing before 18.03.2018.
Verify on cnb.cz
Convert any amount
USD
—
CZK · rounded to 2 decimals
Yearly rate · jednotný kurz For tax returns
How the yearly rate becomes official
Estimate: running average of the last CNB rate in each of the 12 months (Section 38(1) ZDP).
Confirmed: each spring GFR publishes the official rate (Pokyn GFR, e.g. D-66); the badge flips and links to the source PDF.
Rates shown for pair USD/CZK. CNB index
Recent rates · USD/CZK Business days only — CNB does not publish on weekends or Czech holidays
Date 1 USD (CZK)
18.03.2018 Sun 20.666 verify
17.03.2018 Sat 20.666 verify
16.03.2018 Fri 20.666 verify
15.03.2018 Thu 20.594 verify
14.03.2018 Wed 20.573 verify
13.03.2018 Tue 20.577 verify
12.03.2018 Mon 20.688 verify
11.03.2018 Sun 20.717 verify
10.03.2018 Sat 20.717 verify
09.03.2018 Fri 20.717 verify
08.03.2018 Thu 20.472 verify
07.03.2018 Wed 20.470 verify
06.03.2018 Tue 20.450 verify
05.03.2018 Mon 20.642 verify
04.03.2018 Sun 20.638 verify
03.03.2018 Sat 20.638 verify
02.03.2018 Fri 20.638 verify
01.03.2018 Thu 20.898 verify
28.02.2018 Wed 20.816 verify
27.02.2018 Tue 20.652 verify
26.02.2018 Mon 20.608 verify
25.02.2018 Sun 20.603 verify
24.02.2018 Sat 20.603 verify
23.02.2018 Fri 20.603 verify
22.02.2018 Thu 20.623 verify
21.02.2018 Wed 20.604 verify
20.02.2018 Tue 20.515 verify
19.02.2018 Mon 20.406 verify
18.02.2018 Sun 20.327 verify
17.02.2018 Sat 20.327 verify
Use this rate when filing your Czech tax return if you chose the yearly unified method. The daily rate is only for same-day valuations.
Source, methodology and disclaimer
Source

All rates come from Czech National Bank (Ceska narodni banka), the official central bank. CNB publishes daily fixing rates for 33 currencies around 14:30 CET on business days.

Methodology

Rates are shown exactly as CNB publishes them (3-decimal precision). The yearly jednotný kurz follows section 38 paragraph 1 ZDP and Pokyn GFR D-59 — the average of the last published rate in each of the twelve calendar months. Full methodology →

Disclaimer

This tool caches CNB data for fast lookup. In the rare event of a discrepancy, the cnb.cz source is authoritative. For tax filings, always verify critical values.

Related: RSU / ESPP tax calculator · Czech tax guide
Updated daily from CNB 3-decimal precision All 33 CNB currencies History back to 1999 Last sync: 21.10.2026