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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 = 109.382JPY 27.05.2018
CNB does not publish on weekends. Showing the last business-day fixing before 27.05.2018.
Verify on cnb.cz
Convert any amount
USD
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JPY · 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/JPY. CNB index
Recent rates · USD/JPY Business days only — CNB does not publish on weekends or Czech holidays
Date 1 USD (JPY)
27.05.2018 Sun 109.382 verify
26.05.2018 Sat 109.382 verify
25.05.2018 Fri 109.382 verify
24.05.2018 Thu 109.535 verify
23.05.2018 Wed 109.864 verify
22.05.2018 Tue 110.834 verify
21.05.2018 Mon 111.275 verify
20.05.2018 Sun 110.942 verify
19.05.2018 Sat 110.942 verify
18.05.2018 Fri 110.942 verify
17.05.2018 Thu 110.676 verify
16.05.2018 Wed 110.174 verify
15.05.2018 Tue 110.064 verify
14.05.2018 Mon 109.507 verify
13.05.2018 Sun 109.293 verify
12.05.2018 Sat 109.293 verify
11.05.2018 Fri 109.293 verify
10.05.2018 Thu 109.627 verify
09.05.2018 Wed 109.648 verify
08.05.2018 Tue 109.355 verify
07.05.2018 Mon 109.355 verify
06.05.2018 Sun 108.925 verify
05.05.2018 Sat 108.925 verify
04.05.2018 Fri 108.925 verify
03.05.2018 Thu 109.255 verify
02.05.2018 Wed 109.807 verify
01.05.2018 Tue 109.396 verify
30.04.2018 Mon 109.396 verify
29.04.2018 Sun 109.314 verify
28.04.2018 Sat 109.314 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