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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 = 21.641CZK 09.09.2017
CNB does not publish on weekends. Showing the last business-day fixing before 09.09.2017.
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)
09.09.2017 Sat 21.641 verify
08.09.2017 Fri 21.641 verify
07.09.2017 Thu 21.801 verify
06.09.2017 Wed 21.880 verify
05.09.2017 Tue 21.928 verify
04.09.2017 Mon 21.895 verify
03.09.2017 Sun 21.871 verify
02.09.2017 Sat 21.871 verify
01.09.2017 Fri 21.871 verify
31.08.2017 Thu 22.073 verify
30.08.2017 Wed 21.849 verify
29.08.2017 Tue 21.697 verify
28.08.2017 Mon 21.887 verify
27.08.2017 Sun 22.098 verify
26.08.2017 Sat 22.098 verify
25.08.2017 Fri 22.098 verify
24.08.2017 Thu 22.106 verify
23.08.2017 Wed 22.140 verify
22.08.2017 Tue 22.160 verify
21.08.2017 Mon 22.177 verify
20.08.2017 Sun 22.243 verify
19.08.2017 Sat 22.243 verify
18.08.2017 Fri 22.243 verify
17.08.2017 Thu 22.240 verify
16.08.2017 Wed 22.243 verify
15.08.2017 Tue 22.260 verify
14.08.2017 Mon 22.143 verify
13.08.2017 Sun 22.232 verify
12.08.2017 Sat 22.232 verify
11.08.2017 Fri 22.232 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