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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: 23.10.2026
Daily rate 23.10.2026 · click a row for history
Selected pair: 1 USD = 81.467JPY 31.05.2011
Verify on cnb.cz
Convert any amount
USD
—
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)
31.05.2011 Tue 81.467 verify
30.05.2011 Mon 80.813 verify
27.05.2011 Fri 81.147 verify
26.05.2011 Thu 81.841 verify
25.05.2011 Wed 82.070 verify
24.05.2011 Tue 81.944 verify
23.05.2011 Mon 81.806 verify
20.05.2011 Fri 81.666 verify
19.05.2011 Thu 81.908 verify
18.05.2011 Wed 81.146 verify
17.05.2011 Tue 81.638 verify
16.05.2011 Mon 80.847 verify
13.05.2011 Fri 80.763 verify
12.05.2011 Thu 80.925 verify
11.05.2011 Wed 81.173 verify
10.05.2011 Tue 80.595 verify
09.05.2011 Mon 80.768 verify
06.05.2011 Fri 80.337 verify
05.05.2011 Thu 79.798 verify
04.05.2011 Wed 81.025 verify
03.05.2011 Tue 80.753 verify
02.05.2011 Mon 81.451 verify
29.04.2011 Fri 81.216 verify
28.04.2011 Thu 81.746 verify
27.04.2011 Wed 82.314 verify
26.04.2011 Tue 81.724 verify
25.04.2011 Mon 81.895 verify
22.04.2011 Fri 81.895 verify
21.04.2011 Thu 81.944 verify
20.04.2011 Wed 82.754 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: 23.10.2026